Home / 26,187.89-39,266.93-17,877.96

Finding the Fourth Proportional to 26,187.89, 39,266.93 and 17,877.96

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Solution

The fourth proportional to 26,187.89, 39,266.93 and 17,877.96 is: 26,806.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,187.89 : 39,266.93 = 17,877.96 : x
  2. Step 2: Convert to fraction form
    26,187.89/39,266.93 = 17,877.96/x
  3. Step 3: Cross multiply
    26,187.89x = 39,266.93 × 17,877.96
  4. Step 4: Simplify right side
    26,187.89x = 702,012,514.47
  5. Step 5: Solve for x
    x = 702,012,514.47/26,187.89
  6. Step 6: Final answer
    x = 26,806.77

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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.