Home / 38,422.02-57,632.76-10,720.02

Finding the Fourth Proportional to 38,422.02, 57,632.76 and 10,720.02

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Solution

The fourth proportional to 38,422.02, 57,632.76 and 10,720.02 is: 16,079.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,422.02 : 57,632.76 = 10,720.02 : x
  2. Step 2: Convert to fraction form
    38,422.02/57,632.76 = 10,720.02/x
  3. Step 3: Cross multiply
    38,422.02x = 57,632.76 × 10,720.02
  4. Step 4: Simplify right side
    38,422.02x = 617,824,339.86
  5. Step 5: Solve for x
    x = 617,824,339.86/38,422.02
  6. Step 6: Final answer
    x = 16,079.95

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1.5x scale

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.