Home / 28,398.16-39,189.62-16,468.58

Finding the Fourth Proportional to 28,398.16, 39,189.62 and 16,468.58

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Solution

The fourth proportional to 28,398.16, 39,189.62 and 16,468.58 is: 22,726.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,398.16 : 39,189.62 = 16,468.58 : x
  2. Step 2: Convert to fraction form
    28,398.16/39,189.62 = 16,468.58/x
  3. Step 3: Cross multiply
    28,398.16x = 39,189.62 × 16,468.58
  4. Step 4: Simplify right side
    28,398.16x = 645,397,531.29
  5. Step 5: Solve for x
    x = 645,397,531.29/28,398.16
  6. Step 6: Final answer
    x = 22,726.74

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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.