Home / 28,044.92-38,690.10-17,970.14

Finding the Fourth Proportional to 28,044.92, 38,690.10 and 17,970.14

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Solution

The fourth proportional to 28,044.92, 38,690.10 and 17,970.14 is: 24,791.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,044.92 : 38,690.10 = 17,970.14 : x
  2. Step 2: Convert to fraction form
    28,044.92/38,690.10 = 17,970.14/x
  3. Step 3: Cross multiply
    28,044.92x = 38,690.10 × 17,970.14
  4. Step 4: Simplify right side
    28,044.92x = 695,266,320.16
  5. Step 5: Solve for x
    x = 695,266,320.16/28,044.92
  6. Step 6: Final answer
    x = 24,791.17

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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.