Home / 38,802.24-58,216.32-15,422.40

Finding the Fourth Proportional to 38,802.24, 58,216.32 and 15,422.40

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Solution

The fourth proportional to 38,802.24, 58,216.32 and 15,422.40 is: 23,138.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,802.24 : 58,216.32 = 15,422.40 : x
  2. Step 2: Convert to fraction form
    38,802.24/58,216.32 = 15,422.40/x
  3. Step 3: Cross multiply
    38,802.24x = 58,216.32 × 15,422.40
  4. Step 4: Simplify right side
    38,802.24x = 897,835,373.57
  5. Step 5: Solve for x
    x = 897,835,373.57/38,802.24
  6. Step 6: Final answer
    x = 23,138.75

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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.