Home / 28,363.10-39,140.42-17,758.58

Finding the Fourth Proportional to 28,363.10, 39,140.42 and 17,758.58

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Solution

The fourth proportional to 28,363.10, 39,140.42 and 17,758.58 is: 24,506.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,363.10 : 39,140.42 = 17,758.58 : x
  2. Step 2: Convert to fraction form
    28,363.10/39,140.42 = 17,758.58/x
  3. Step 3: Cross multiply
    28,363.10x = 39,140.42 × 17,758.58
  4. Step 4: Simplify right side
    28,363.10x = 695,078,279.80
  5. Step 5: Solve for x
    x = 695,078,279.80/28,363.10
  6. Step 6: Final answer
    x = 24,506.43

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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.