Home / 28,043.20-38,700.48-16,108.93

Finding the Fourth Proportional to 28,043.20, 38,700.48 and 16,108.93

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Solution

The fourth proportional to 28,043.20, 38,700.48 and 16,108.93 is: 22,230.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,043.20 : 38,700.48 = 16,108.93 : x
  2. Step 2: Convert to fraction form
    28,043.20/38,700.48 = 16,108.93/x
  3. Step 3: Cross multiply
    28,043.20x = 38,700.48 × 16,108.93
  4. Step 4: Simplify right side
    28,043.20x = 623,423,323.29
  5. Step 5: Solve for x
    x = 623,423,323.29/28,043.20
  6. Step 6: Final answer
    x = 22,230.82

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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.