Home / 28,276.52-39,022.24-16,178.13

Finding the Fourth Proportional to 28,276.52, 39,022.24 and 16,178.13

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Solution

The fourth proportional to 28,276.52, 39,022.24 and 16,178.13 is: 22,326.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,276.52 : 39,022.24 = 16,178.13 : x
  2. Step 2: Convert to fraction form
    28,276.52/39,022.24 = 16,178.13/x
  3. Step 3: Cross multiply
    28,276.52x = 39,022.24 × 16,178.13
  4. Step 4: Simplify right side
    28,276.52x = 631,306,831.17
  5. Step 5: Solve for x
    x = 631,306,831.17/28,276.52
  6. Step 6: Final answer
    x = 22,326.19

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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.