Home / 15,487.44-23,242.32-5,627.40

Finding the Fourth Proportional to 15,487.44, 23,242.32 and 5,627.40

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Solution

The fourth proportional to 15,487.44, 23,242.32 and 5,627.40 is: 8,445.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,487.44 : 23,242.32 = 5,627.40 : x
  2. Step 2: Convert to fraction form
    15,487.44/23,242.32 = 5,627.40/x
  3. Step 3: Cross multiply
    15,487.44x = 23,242.32 × 5,627.40
  4. Step 4: Simplify right side
    15,487.44x = 130,793,831.57
  5. Step 5: Solve for x
    x = 130,793,831.57/15,487.44
  6. Step 6: Final answer
    x = 8,445.16

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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.