Home / 28,160.04-38,860.92-16,223.07

Finding the Fourth Proportional to 28,160.04, 38,860.92 and 16,223.07

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Solution

The fourth proportional to 28,160.04, 38,860.92 and 16,223.07 is: 22,387.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,160.04 : 38,860.92 = 16,223.07 : x
  2. Step 2: Convert to fraction form
    28,160.04/38,860.92 = 16,223.07/x
  3. Step 3: Cross multiply
    28,160.04x = 38,860.92 × 16,223.07
  4. Step 4: Simplify right side
    28,160.04x = 630,443,425.42
  5. Step 5: Solve for x
    x = 630,443,425.42/28,160.04
  6. Step 6: Final answer
    x = 22,387.87

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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.