Home / 28,088.82-38,761.88-16,151.87

Finding the Fourth Proportional to 28,088.82, 38,761.88 and 16,151.87

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Solution

The fourth proportional to 28,088.82, 38,761.88 and 16,151.87 is: 22,289.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,088.82 : 38,761.88 = 16,151.87 : x
  2. Step 2: Convert to fraction form
    28,088.82/38,761.88 = 16,151.87/x
  3. Step 3: Cross multiply
    28,088.82x = 38,761.88 × 16,151.87
  4. Step 4: Simplify right side
    28,088.82x = 626,076,862.86
  5. Step 5: Solve for x
    x = 626,076,862.86/28,088.82
  6. Step 6: Final answer
    x = 22,289.18

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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.