Home / 28,127.52-38,821.14-18,068.58

Finding the Fourth Proportional to 28,127.52, 38,821.14 and 18,068.58

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Solution

The fourth proportional to 28,127.52, 38,821.14 and 18,068.58 is: 24,937.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,127.52 : 38,821.14 = 18,068.58 : x
  2. Step 2: Convert to fraction form
    28,127.52/38,821.14 = 18,068.58/x
  3. Step 3: Cross multiply
    28,127.52x = 38,821.14 × 18,068.58
  4. Step 4: Simplify right side
    28,127.52x = 701,442,873.78
  5. Step 5: Solve for x
    x = 701,442,873.78/28,127.52
  6. Step 6: Final answer
    x = 24,937.96

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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.