Home / 28,929.97-43,411.35-11,412.10

Finding the Fourth Proportional to 28,929.97, 43,411.35 and 11,412.10

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Solution

The fourth proportional to 28,929.97, 43,411.35 and 11,412.10 is: 17,124.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,929.97 : 43,411.35 = 11,412.10 : x
  2. Step 2: Convert to fraction form
    28,929.97/43,411.35 = 11,412.10/x
  3. Step 3: Cross multiply
    28,929.97x = 43,411.35 × 11,412.10
  4. Step 4: Simplify right side
    28,929.97x = 495,414,610.27
  5. Step 5: Solve for x
    x = 495,414,610.27/28,929.97
  6. Step 6: Final answer
    x = 17,124.62

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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.