Home / 28,002.38-42,003.57-16,307.40

Finding the Fourth Proportional to 28,002.38, 42,003.57 and 16,307.40

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Solution

The fourth proportional to 28,002.38, 42,003.57 and 16,307.40 is: 24,461.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,002.38 : 42,003.57 = 16,307.40 : x
  2. Step 2: Convert to fraction form
    28,002.38/42,003.57 = 16,307.40/x
  3. Step 3: Cross multiply
    28,002.38x = 42,003.57 × 16,307.40
  4. Step 4: Simplify right side
    28,002.38x = 684,968,725.86
  5. Step 5: Solve for x
    x = 684,968,725.86/28,002.38
  6. Step 6: Final answer
    x = 24,461.09

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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.