Home / 26,460.80-39,677.68-13,987.52

Finding the Fourth Proportional to 26,460.80, 39,677.68 and 13,987.52

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Solution

The fourth proportional to 26,460.80, 39,677.68 and 13,987.52 is: 20,974.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,460.80 : 39,677.68 = 13,987.52 : x
  2. Step 2: Convert to fraction form
    26,460.80/39,677.68 = 13,987.52/x
  3. Step 3: Cross multiply
    26,460.80x = 39,677.68 × 13,987.52
  4. Step 4: Simplify right side
    26,460.80x = 554,992,342.55
  5. Step 5: Solve for x
    x = 554,992,342.55/26,460.80
  6. Step 6: Final answer
    x = 20,974.13

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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.