Home / 28,222.94-38,937.02-16,281.92

Finding the Fourth Proportional to 28,222.94, 38,937.02 and 16,281.92

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Solution

The fourth proportional to 28,222.94, 38,937.02 and 16,281.92 is: 22,462.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,222.94 : 38,937.02 = 16,281.92 : x
  2. Step 2: Convert to fraction form
    28,222.94/38,937.02 = 16,281.92/x
  3. Step 3: Cross multiply
    28,222.94x = 38,937.02 × 16,281.92
  4. Step 4: Simplify right side
    28,222.94x = 633,969,444.68
  5. Step 5: Solve for x
    x = 633,969,444.68/28,222.94
  6. Step 6: Final answer
    x = 22,462.91

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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.