Home / 26,689.61-39,951.36-16,808.12

Finding the Fourth Proportional to 26,689.61, 39,951.36 and 16,808.12

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Solution

The fourth proportional to 26,689.61, 39,951.36 and 16,808.12 is: 25,159.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,689.61 : 39,951.36 = 16,808.12 : x
  2. Step 2: Convert to fraction form
    26,689.61/39,951.36 = 16,808.12/x
  3. Step 3: Cross multiply
    26,689.61x = 39,951.36 × 16,808.12
  4. Step 4: Simplify right side
    26,689.61x = 671,507,053.29
  5. Step 5: Solve for x
    x = 671,507,053.29/26,689.61
  6. Step 6: Final answer
    x = 25,159.87

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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.