Home / 26,456.80-39,671.68-13,983.52

Finding the Fourth Proportional to 26,456.80, 39,671.68 and 13,983.52

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Solution

The fourth proportional to 26,456.80, 39,671.68 and 13,983.52 is: 20,968.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,456.80 : 39,671.68 = 13,983.52 : x
  2. Step 2: Convert to fraction form
    26,456.80/39,671.68 = 13,983.52/x
  3. Step 3: Cross multiply
    26,456.80x = 39,671.68 × 13,983.52
  4. Step 4: Simplify right side
    26,456.80x = 554,749,730.71
  5. Step 5: Solve for x
    x = 554,749,730.71/26,456.80
  6. Step 6: Final answer
    x = 20,968.13

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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.