Home / 26,248.13-39,372.19-7,780.13

Finding the Fourth Proportional to 26,248.13, 39,372.19 and 7,780.13

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Solution

The fourth proportional to 26,248.13, 39,372.19 and 7,780.13 is: 11,670.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,248.13 : 39,372.19 = 7,780.13 : x
  2. Step 2: Convert to fraction form
    26,248.13/39,372.19 = 7,780.13/x
  3. Step 3: Cross multiply
    26,248.13x = 39,372.19 × 7,780.13
  4. Step 4: Simplify right side
    26,248.13x = 306,320,540.27
  5. Step 5: Solve for x
    x = 306,320,540.27/26,248.13
  6. Step 6: Final answer
    x = 11,670.19

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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.