Home / 29,295.12-40,430.16-16,721.76

Finding the Fourth Proportional to 29,295.12, 40,430.16 and 16,721.76

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Solution

The fourth proportional to 29,295.12, 40,430.16 and 16,721.76 is: 23,077.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,295.12 : 40,430.16 = 16,721.76 : x
  2. Step 2: Convert to fraction form
    29,295.12/40,430.16 = 16,721.76/x
  3. Step 3: Cross multiply
    29,295.12x = 40,430.16 × 16,721.76
  4. Step 4: Simplify right side
    29,295.12x = 676,063,432.28
  5. Step 5: Solve for x
    x = 676,063,432.28/29,295.12
  6. Step 6: Final answer
    x = 23,077.68

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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.