Home / 25,740.48-38,545.38-21,569.52

Finding the Fourth Proportional to 25,740.48, 38,545.38 and 21,569.52

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Solution

The fourth proportional to 25,740.48, 38,545.38 and 21,569.52 is: 32,299.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,740.48 : 38,545.38 = 21,569.52 : x
  2. Step 2: Convert to fraction form
    25,740.48/38,545.38 = 21,569.52/x
  3. Step 3: Cross multiply
    25,740.48x = 38,545.38 × 21,569.52
  4. Step 4: Simplify right side
    25,740.48x = 831,405,344.82
  5. Step 5: Solve for x
    x = 831,405,344.82/25,740.48
  6. Step 6: Final answer
    x = 32,299.53

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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.