Home / 26,279.65-39,390.16-10,480.53

Finding the Fourth Proportional to 26,279.65, 39,390.16 and 10,480.53

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Solution

The fourth proportional to 26,279.65, 39,390.16 and 10,480.53 is: 15,709.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,279.65 : 39,390.16 = 10,480.53 : x
  2. Step 2: Convert to fraction form
    26,279.65/39,390.16 = 10,480.53/x
  3. Step 3: Cross multiply
    26,279.65x = 39,390.16 × 10,480.53
  4. Step 4: Simplify right side
    26,279.65x = 412,829,753.58
  5. Step 5: Solve for x
    x = 412,829,753.58/26,279.65
  6. Step 6: Final answer
    x = 15,709.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.