Home / 26,089.97-39,117.95-17,178.34

Finding the Fourth Proportional to 26,089.97, 39,117.95 and 17,178.34

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Solution

The fourth proportional to 26,089.97, 39,117.95 and 17,178.34 is: 25,756.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,089.97 : 39,117.95 = 17,178.34 : x
  2. Step 2: Convert to fraction form
    26,089.97/39,117.95 = 17,178.34/x
  3. Step 3: Cross multiply
    26,089.97x = 39,117.95 × 17,178.34
  4. Step 4: Simplify right side
    26,089.97x = 671,981,359.31
  5. Step 5: Solve for x
    x = 671,981,359.31/26,089.97
  6. Step 6: Final answer
    x = 25,756.31

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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.