Home / 25,977.51-38,972.90-7,257.60

Finding the Fourth Proportional to 25,977.51, 38,972.90 and 7,257.60

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Solution

The fourth proportional to 25,977.51, 38,972.90 and 7,257.60 is: 10,888.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,977.51 : 38,972.90 = 7,257.60 : x
  2. Step 2: Convert to fraction form
    25,977.51/38,972.90 = 7,257.60/x
  3. Step 3: Cross multiply
    25,977.51x = 38,972.90 × 7,257.60
  4. Step 4: Simplify right side
    25,977.51x = 282,849,696.36
  5. Step 5: Solve for x
    x = 282,849,696.36/25,977.51
  6. Step 6: Final answer
    x = 10,888.25

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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.