Home / 26,182.40-39,279.36-7,713.92

Finding the Fourth Proportional to 26,182.40, 39,279.36 and 7,713.92

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Solution

The fourth proportional to 26,182.40, 39,279.36 and 7,713.92 is: 11,572.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,182.40 : 39,279.36 = 7,713.92 : x
  2. Step 2: Convert to fraction form
    26,182.40/39,279.36 = 7,713.92/x
  3. Step 3: Cross multiply
    26,182.40x = 39,279.36 × 7,713.92
  4. Step 4: Simplify right side
    26,182.40x = 302,997,840.69
  5. Step 5: Solve for x
    x = 302,997,840.69/26,182.40
  6. Step 6: Final answer
    x = 11,572.58

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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.