Home / 29,387.50-40,554.78-16,812.28

Finding the Fourth Proportional to 29,387.50, 40,554.78 and 16,812.28

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Solution

The fourth proportional to 29,387.50, 40,554.78 and 16,812.28 is: 23,200.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,387.50 : 40,554.78 = 16,812.28 : x
  2. Step 2: Convert to fraction form
    29,387.50/40,554.78 = 16,812.28/x
  3. Step 3: Cross multiply
    29,387.50x = 40,554.78 × 16,812.28
  4. Step 4: Simplify right side
    29,387.50x = 681,818,316.70
  5. Step 5: Solve for x
    x = 681,818,316.70/29,387.50
  6. Step 6: Final answer
    x = 23,200.96

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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.