Home / 27,153.90-37,489.86-22,130.15

Finding the Fourth Proportional to 27,153.90, 37,489.86 and 22,130.15

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Solution

The fourth proportional to 27,153.90, 37,489.86 and 22,130.15 is: 30,553.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,153.90 : 37,489.86 = 22,130.15 : x
  2. Step 2: Convert to fraction form
    27,153.90/37,489.86 = 22,130.15/x
  3. Step 3: Cross multiply
    27,153.90x = 37,489.86 × 22,130.15
  4. Step 4: Simplify right side
    27,153.90x = 829,656,037.83
  5. Step 5: Solve for x
    x = 829,656,037.83/27,153.90
  6. Step 6: Final answer
    x = 30,553.84

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1.5x scale

Why These Related Problems?

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