Home / 21,887.62-32,831.14-10,038.02

Finding the Fourth Proportional to 21,887.62, 32,831.14 and 10,038.02

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Solution

The fourth proportional to 21,887.62, 32,831.14 and 10,038.02 is: 15,056.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,887.62 : 32,831.14 = 10,038.02 : x
  2. Step 2: Convert to fraction form
    21,887.62/32,831.14 = 10,038.02/x
  3. Step 3: Cross multiply
    21,887.62x = 32,831.14 × 10,038.02
  4. Step 4: Simplify right side
    21,887.62x = 329,559,639.94
  5. Step 5: Solve for x
    x = 329,559,639.94/21,887.62
  6. Step 6: Final answer
    x = 15,056.90

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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.