Home / 28,276.29-39,024.40-16,177.90

Finding the Fourth Proportional to 28,276.29, 39,024.40 and 16,177.90

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Solution

The fourth proportional to 28,276.29, 39,024.40 and 16,177.90 is: 22,327.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,276.29 : 39,024.40 = 16,177.90 : x
  2. Step 2: Convert to fraction form
    28,276.29/39,024.40 = 16,177.90/x
  3. Step 3: Cross multiply
    28,276.29x = 39,024.40 × 16,177.90
  4. Step 4: Simplify right side
    28,276.29x = 631,332,840.76
  5. Step 5: Solve for x
    x = 631,332,840.76/28,276.29
  6. Step 6: Final answer
    x = 22,327.29

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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.