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Finding the Fourth Proportional to 52,714.80, 72,746.40 and 28,841.64

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Solution

The fourth proportional to 52,714.80, 72,746.40 and 28,841.64 is: 39,801.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,714.80 : 72,746.40 = 28,841.64 : x
  2. Step 2: Convert to fraction form
    52,714.80/72,746.40 = 28,841.64/x
  3. Step 3: Cross multiply
    52,714.80x = 72,746.40 × 28,841.64
  4. Step 4: Simplify right side
    52,714.80x = 2,098,125,480.10
  5. Step 5: Solve for x
    x = 2,098,125,480.10/52,714.80
  6. Step 6: Final answer
    x = 39,801.45

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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.