Home / 25,825.12-38,688.80-15,263.52

Finding the Fourth Proportional to 25,825.12, 38,688.80 and 15,263.52

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Solution

The fourth proportional to 25,825.12, 38,688.80 and 15,263.52 is: 22,866.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,825.12 : 38,688.80 = 15,263.52 : x
  2. Step 2: Convert to fraction form
    25,825.12/38,688.80 = 15,263.52/x
  3. Step 3: Cross multiply
    25,825.12x = 38,688.80 × 15,263.52
  4. Step 4: Simplify right side
    25,825.12x = 590,527,272.58
  5. Step 5: Solve for x
    x = 590,527,272.58/25,825.12
  6. Step 6: Final answer
    x = 22,866.39

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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.