Home / 26,316.18-39,430.50-18,508.56

Finding the Fourth Proportional to 26,316.18, 39,430.50 and 18,508.56

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Solution

The fourth proportional to 26,316.18, 39,430.50 and 18,508.56 is: 27,732.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,316.18 : 39,430.50 = 18,508.56 : x
  2. Step 2: Convert to fraction form
    26,316.18/39,430.50 = 18,508.56/x
  3. Step 3: Cross multiply
    26,316.18x = 39,430.50 × 18,508.56
  4. Step 4: Simplify right side
    26,316.18x = 729,801,775.08
  5. Step 5: Solve for x
    x = 729,801,775.08/26,316.18
  6. Step 6: Final answer
    x = 27,732.06

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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.