Home / 25,355.40-38,006.28-10,543.74

Finding the Fourth Proportional to 25,355.40, 38,006.28 and 10,543.74

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Solution

The fourth proportional to 25,355.40, 38,006.28 and 10,543.74 is: 15,804.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,355.40 : 38,006.28 = 10,543.74 : x
  2. Step 2: Convert to fraction form
    25,355.40/38,006.28 = 10,543.74/x
  3. Step 3: Cross multiply
    25,355.40x = 38,006.28 × 10,543.74
  4. Step 4: Simplify right side
    25,355.40x = 400,728,334.69
  5. Step 5: Solve for x
    x = 400,728,334.69/25,355.40
  6. Step 6: Final answer
    x = 15,804.46

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.