Home / 26,319.29-39,481.40-7,345.17

Finding the Fourth Proportional to 26,319.29, 39,481.40 and 7,345.17

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Solution

The fourth proportional to 26,319.29, 39,481.40 and 7,345.17 is: 11,018.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,319.29 : 39,481.40 = 7,345.17 : x
  2. Step 2: Convert to fraction form
    26,319.29/39,481.40 = 7,345.17/x
  3. Step 3: Cross multiply
    26,319.29x = 39,481.40 × 7,345.17
  4. Step 4: Simplify right side
    26,319.29x = 289,997,613.20
  5. Step 5: Solve for x
    x = 289,997,613.20/26,319.29
  6. Step 6: Final answer
    x = 11,018.45

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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.