Home / 28,453.28-42,773.40-26,398.12

Finding the Fourth Proportional to 28,453.28, 42,773.40 and 26,398.12

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Solution

The fourth proportional to 28,453.28, 42,773.40 and 26,398.12 is: 39,683.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,453.28 : 42,773.40 = 26,398.12 : x
  2. Step 2: Convert to fraction form
    28,453.28/42,773.40 = 26,398.12/x
  3. Step 3: Cross multiply
    28,453.28x = 42,773.40 × 26,398.12
  4. Step 4: Simplify right side
    28,453.28x = 1,129,137,132.14
  5. Step 5: Solve for x
    x = 1,129,137,132.14/28,453.28
  6. Step 6: Final answer
    x = 39,683.90

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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.