Home / 21,505.06-32,257.28-10,412.72

Finding the Fourth Proportional to 21,505.06, 32,257.28 and 10,412.72

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Solution

The fourth proportional to 21,505.06, 32,257.28 and 10,412.72 is: 15,618.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,505.06 : 32,257.28 = 10,412.72 : x
  2. Step 2: Convert to fraction form
    21,505.06/32,257.28 = 10,412.72/x
  3. Step 3: Cross multiply
    21,505.06x = 32,257.28 × 10,412.72
  4. Step 4: Simplify right side
    21,505.06x = 335,886,024.60
  5. Step 5: Solve for x
    x = 335,886,024.60/21,505.06
  6. Step 6: Final answer
    x = 15,618.93

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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.