Home / 26,090.47-39,118.70-17,178.84

Finding the Fourth Proportional to 26,090.47, 39,118.70 and 17,178.84

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Solution

The fourth proportional to 26,090.47, 39,118.70 and 17,178.84 is: 25,757.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,090.47 : 39,118.70 = 17,178.84 : x
  2. Step 2: Convert to fraction form
    26,090.47/39,118.70 = 17,178.84/x
  3. Step 3: Cross multiply
    26,090.47x = 39,118.70 × 17,178.84
  4. Step 4: Simplify right side
    26,090.47x = 672,013,802.41
  5. Step 5: Solve for x
    x = 672,013,802.41/26,090.47
  6. Step 6: Final answer
    x = 25,757.06

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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.