Home / 26,437.86-39,645.14-12,386.57

Finding the Fourth Proportional to 26,437.86, 39,645.14 and 12,386.57

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Solution

The fourth proportional to 26,437.86, 39,645.14 and 12,386.57 is: 18,574.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,437.86 : 39,645.14 = 12,386.57 : x
  2. Step 2: Convert to fraction form
    26,437.86/39,645.14 = 12,386.57/x
  3. Step 3: Cross multiply
    26,437.86x = 39,645.14 × 12,386.57
  4. Step 4: Simplify right side
    26,437.86x = 491,067,041.61
  5. Step 5: Solve for x
    x = 491,067,041.61/26,437.86
  6. Step 6: Final answer
    x = 18,574.39

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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.