Home / 28,184.66-42,283.47-8,463.59

Finding the Fourth Proportional to 28,184.66, 42,283.47 and 8,463.59

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Solution

The fourth proportional to 28,184.66, 42,283.47 and 8,463.59 is: 12,697.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,184.66 : 42,283.47 = 8,463.59 : x
  2. Step 2: Convert to fraction form
    28,184.66/42,283.47 = 8,463.59/x
  3. Step 3: Cross multiply
    28,184.66x = 42,283.47 × 8,463.59
  4. Step 4: Simplify right side
    28,184.66x = 357,869,885.13
  5. Step 5: Solve for x
    x = 357,869,885.13/28,184.66
  6. Step 6: Final answer
    x = 12,697.33

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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.