Home / 25,602.20-38,420.71-15,711.29

Finding the Fourth Proportional to 25,602.20, 38,420.71 and 15,711.29

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Solution

The fourth proportional to 25,602.20, 38,420.71 and 15,711.29 is: 23,577.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,602.20 : 38,420.71 = 15,711.29 : x
  2. Step 2: Convert to fraction form
    25,602.20/38,420.71 = 15,711.29/x
  3. Step 3: Cross multiply
    25,602.20x = 38,420.71 × 15,711.29
  4. Step 4: Simplify right side
    25,602.20x = 603,638,685.43
  5. Step 5: Solve for x
    x = 603,638,685.43/25,602.20
  6. Step 6: Final answer
    x = 23,577.61

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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.