Home / 27,331.02-37,711.80-15,391.80

Finding the Fourth Proportional to 27,331.02, 37,711.80 and 15,391.80

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Solution

The fourth proportional to 27,331.02, 37,711.80 and 15,391.80 is: 21,237.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,331.02 : 37,711.80 = 15,391.80 : x
  2. Step 2: Convert to fraction form
    27,331.02/37,711.80 = 15,391.80/x
  3. Step 3: Cross multiply
    27,331.02x = 37,711.80 × 15,391.80
  4. Step 4: Simplify right side
    27,331.02x = 580,452,483.24
  5. Step 5: Solve for x
    x = 580,452,483.24/27,331.02
  6. Step 6: Final answer
    x = 21,237.86

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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.