Home / 28,189.04-42,283.26-8,466.76

Finding the Fourth Proportional to 28,189.04, 42,283.26 and 8,466.76

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Solution

The fourth proportional to 28,189.04, 42,283.26 and 8,466.76 is: 12,700.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,189.04 : 42,283.26 = 8,466.76 : x
  2. Step 2: Convert to fraction form
    28,189.04/42,283.26 = 8,466.76/x
  3. Step 3: Cross multiply
    28,189.04x = 42,283.26 × 8,466.76
  4. Step 4: Simplify right side
    28,189.04x = 358,002,108.73
  5. Step 5: Solve for x
    x = 358,002,108.73/28,189.04
  6. Step 6: Final answer
    x = 12,700.05

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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.