Home / 20,827.29-28,711.76-14,848.58

Finding the Fourth Proportional to 20,827.29, 28,711.76 and 14,848.58

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Solution

The fourth proportional to 20,827.29, 28,711.76 and 14,848.58 is: 20,469.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,827.29 : 28,711.76 = 14,848.58 : x
  2. Step 2: Convert to fraction form
    20,827.29/28,711.76 = 14,848.58/x
  3. Step 3: Cross multiply
    20,827.29x = 28,711.76 × 14,848.58
  4. Step 4: Simplify right side
    20,827.29x = 426,328,784.86
  5. Step 5: Solve for x
    x = 426,328,784.86/20,827.29
  6. Step 6: Final answer
    x = 20,469.72

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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.