Home / 20,154.91-27,816.59-14,508.35

Finding the Fourth Proportional to 20,154.91, 27,816.59 and 14,508.35

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Solution

The fourth proportional to 20,154.91, 27,816.59 and 14,508.35 is: 20,023.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,154.91 : 27,816.59 = 14,508.35 : x
  2. Step 2: Convert to fraction form
    20,154.91/27,816.59 = 14,508.35/x
  3. Step 3: Cross multiply
    20,154.91x = 27,816.59 × 14,508.35
  4. Step 4: Simplify right side
    20,154.91x = 403,572,901.57
  5. Step 5: Solve for x
    x = 403,572,901.57/20,154.91
  6. Step 6: Final answer
    x = 20,023.55

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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.