Home / 29,420.30-40,600.08-15,991.53

Finding the Fourth Proportional to 29,420.30, 40,600.08 and 15,991.53

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Solution

The fourth proportional to 29,420.30, 40,600.08 and 15,991.53 is: 22,068.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,420.30 : 40,600.08 = 15,991.53 : x
  2. Step 2: Convert to fraction form
    29,420.30/40,600.08 = 15,991.53/x
  3. Step 3: Cross multiply
    29,420.30x = 40,600.08 × 15,991.53
  4. Step 4: Simplify right side
    29,420.30x = 649,257,397.32
  5. Step 5: Solve for x
    x = 649,257,397.32/29,420.30
  6. Step 6: Final answer
    x = 22,068.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.