Home / 28,060.95-38,730.73-16,131.20

Finding the Fourth Proportional to 28,060.95, 38,730.73 and 16,131.20

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Solution

The fourth proportional to 28,060.95, 38,730.73 and 16,131.20 is: 22,264.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,060.95 : 38,730.73 = 16,131.20 : x
  2. Step 2: Convert to fraction form
    28,060.95/38,730.73 = 16,131.20/x
  3. Step 3: Cross multiply
    28,060.95x = 38,730.73 × 16,131.20
  4. Step 4: Simplify right side
    28,060.95x = 624,773,151.78
  5. Step 5: Solve for x
    x = 624,773,151.78/28,060.95
  6. Step 6: Final answer
    x = 22,264.86

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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.