Home / 25,243.60-34,838.76-15,175.32

Finding the Fourth Proportional to 25,243.60, 34,838.76 and 15,175.32

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Solution

The fourth proportional to 25,243.60, 34,838.76 and 15,175.32 is: 20,943.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,243.60 : 34,838.76 = 15,175.32 : x
  2. Step 2: Convert to fraction form
    25,243.60/34,838.76 = 15,175.32/x
  3. Step 3: Cross multiply
    25,243.60x = 34,838.76 × 15,175.32
  4. Step 4: Simplify right side
    25,243.60x = 528,689,331.40
  5. Step 5: Solve for x
    x = 528,689,331.40/25,243.60
  6. Step 6: Final answer
    x = 20,943.50

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.