Home / 29,128.38-40,200.47-16,208.94

Finding the Fourth Proportional to 29,128.38, 40,200.47 and 16,208.94

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Solution

The fourth proportional to 29,128.38, 40,200.47 and 16,208.94 is: 22,370.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,128.38 : 40,200.47 = 16,208.94 : x
  2. Step 2: Convert to fraction form
    29,128.38/40,200.47 = 16,208.94/x
  3. Step 3: Cross multiply
    29,128.38x = 40,200.47 × 16,208.94
  4. Step 4: Simplify right side
    29,128.38x = 651,607,006.20
  5. Step 5: Solve for x
    x = 651,607,006.20/29,128.38
  6. Step 6: Final answer
    x = 22,370.18

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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.