Home / 20,959.64-28,909.66-14,233.59

Finding the Fourth Proportional to 20,959.64, 28,909.66 and 14,233.59

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Solution

The fourth proportional to 20,959.64, 28,909.66 and 14,233.59 is: 19,632.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,959.64 : 28,909.66 = 14,233.59 : x
  2. Step 2: Convert to fraction form
    20,959.64/28,909.66 = 14,233.59/x
  3. Step 3: Cross multiply
    20,959.64x = 28,909.66 × 14,233.59
  4. Step 4: Simplify right side
    20,959.64x = 411,488,211.90
  5. Step 5: Solve for x
    x = 411,488,211.90/20,959.64
  6. Step 6: Final answer
    x = 19,632.41

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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.