Home / 26,489.77-39,726.65-10,689.71

Finding the Fourth Proportional to 26,489.77, 39,726.65 and 10,689.71

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Solution

The fourth proportional to 26,489.77, 39,726.65 and 10,689.71 is: 16,031.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,489.77 : 39,726.65 = 10,689.71 : x
  2. Step 2: Convert to fraction form
    26,489.77/39,726.65 = 10,689.71/x
  3. Step 3: Cross multiply
    26,489.77x = 39,726.65 × 10,689.71
  4. Step 4: Simplify right side
    26,489.77x = 424,666,195.86
  5. Step 5: Solve for x
    x = 424,666,195.86/26,489.77
  6. Step 6: Final answer
    x = 16,031.33

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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.