Home / 28,869.40-43,304.10-16,384.60

Finding the Fourth Proportional to 28,869.40, 43,304.10 and 16,384.60

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Solution

The fourth proportional to 28,869.40, 43,304.10 and 16,384.60 is: 24,576.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,869.40 : 43,304.10 = 16,384.60 : x
  2. Step 2: Convert to fraction form
    28,869.40/43,304.10 = 16,384.60/x
  3. Step 3: Cross multiply
    28,869.40x = 43,304.10 × 16,384.60
  4. Step 4: Simplify right side
    28,869.40x = 709,520,356.86
  5. Step 5: Solve for x
    x = 709,520,356.86/28,869.40
  6. Step 6: Final answer
    x = 24,576.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.