Home / 28,487.28-39,306.45-16,544.46

Finding the Fourth Proportional to 28,487.28, 39,306.45 and 16,544.46

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Solution

The fourth proportional to 28,487.28, 39,306.45 and 16,544.46 is: 22,827.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,487.28 : 39,306.45 = 16,544.46 : x
  2. Step 2: Convert to fraction form
    28,487.28/39,306.45 = 16,544.46/x
  3. Step 3: Cross multiply
    28,487.28x = 39,306.45 × 16,544.46
  4. Step 4: Simplify right side
    28,487.28x = 650,303,989.77
  5. Step 5: Solve for x
    x = 650,303,989.77/28,487.28
  6. Step 6: Final answer
    x = 22,827.87

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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.