Home / 25,545.31-38,317.05-8,905.28

Finding the Fourth Proportional to 25,545.31, 38,317.05 and 8,905.28

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Solution

The fourth proportional to 25,545.31, 38,317.05 and 8,905.28 is: 13,357.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,545.31 : 38,317.05 = 8,905.28 : x
  2. Step 2: Convert to fraction form
    25,545.31/38,317.05 = 8,905.28/x
  3. Step 3: Cross multiply
    25,545.31x = 38,317.05 × 8,905.28
  4. Step 4: Simplify right side
    25,545.31x = 341,223,867.44
  5. Step 5: Solve for x
    x = 341,223,867.44/25,545.31
  6. Step 6: Final answer
    x = 13,357.59

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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.