Home / 26,444.66-39,665.08-12,407.88

Finding the Fourth Proportional to 26,444.66, 39,665.08 and 12,407.88

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Solution

The fourth proportional to 26,444.66, 39,665.08 and 12,407.88 is: 18,610.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,444.66 : 39,665.08 = 12,407.88 : x
  2. Step 2: Convert to fraction form
    26,444.66/39,665.08 = 12,407.88/x
  3. Step 3: Cross multiply
    26,444.66x = 39,665.08 × 12,407.88
  4. Step 4: Simplify right side
    26,444.66x = 492,159,552.83
  5. Step 5: Solve for x
    x = 492,159,552.83/26,444.66
  6. Step 6: Final answer
    x = 18,610.92

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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.