Home / 26,426.47-39,595.12-13,081.68

Finding the Fourth Proportional to 26,426.47, 39,595.12 and 13,081.68

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Solution

The fourth proportional to 26,426.47, 39,595.12 and 13,081.68 is: 19,600.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,426.47 : 39,595.12 = 13,081.68 : x
  2. Step 2: Convert to fraction form
    26,426.47/39,595.12 = 13,081.68/x
  3. Step 3: Cross multiply
    26,426.47x = 39,595.12 × 13,081.68
  4. Step 4: Simplify right side
    26,426.47x = 517,970,689.40
  5. Step 5: Solve for x
    x = 517,970,689.40/26,426.47
  6. Step 6: Final answer
    x = 19,600.45

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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.