Home / 28,590.17-39,449.84-17,972.28

Finding the Fourth Proportional to 28,590.17, 39,449.84 and 17,972.28

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Solution

The fourth proportional to 28,590.17, 39,449.84 and 17,972.28 is: 24,798.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,590.17 : 39,449.84 = 17,972.28 : x
  2. Step 2: Convert to fraction form
    28,590.17/39,449.84 = 17,972.28/x
  3. Step 3: Cross multiply
    28,590.17x = 39,449.84 × 17,972.28
  4. Step 4: Simplify right side
    28,590.17x = 709,003,480.57
  5. Step 5: Solve for x
    x = 709,003,480.57/28,590.17
  6. Step 6: Final answer
    x = 24,798.86

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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.