Home / 28,221-42,326.10-14,177.27

Finding the Fourth Proportional to 28,221, 42,326.10 and 14,177.27

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Solution

The fourth proportional to 28,221, 42,326.10 and 14,177.27 is: 21,263.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,221 : 42,326.10 = 14,177.27 : x
  2. Step 2: Convert to fraction form
    28,221/42,326.10 = 14,177.27/x
  3. Step 3: Cross multiply
    28,221x = 42,326.10 × 14,177.27
  4. Step 4: Simplify right side
    28,221x = 600,068,336.12
  5. Step 5: Solve for x
    x = 600,068,336.12/28,221
  6. Step 6: Final answer
    x = 21,263.18

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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.