Home / 25,975.06-38,962.59-21,037.30

Finding the Fourth Proportional to 25,975.06, 38,962.59 and 21,037.30

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Solution

The fourth proportional to 25,975.06, 38,962.59 and 21,037.30 is: 31,555.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,975.06 : 38,962.59 = 21,037.30 : x
  2. Step 2: Convert to fraction form
    25,975.06/38,962.59 = 21,037.30/x
  3. Step 3: Cross multiply
    25,975.06x = 38,962.59 × 21,037.30
  4. Step 4: Simplify right side
    25,975.06x = 819,667,694.61
  5. Step 5: Solve for x
    x = 819,667,694.61/25,975.06
  6. Step 6: Final answer
    x = 31,555.95

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Double scale
Find fourth proportional to 25,976.06, 38,964.09 and 21,038.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.