Home / 28,254.42-42,382.35-8,533.62

Finding the Fourth Proportional to 28,254.42, 42,382.35 and 8,533.62

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Solution

The fourth proportional to 28,254.42, 42,382.35 and 8,533.62 is: 12,800.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,254.42 : 42,382.35 = 8,533.62 : x
  2. Step 2: Convert to fraction form
    28,254.42/42,382.35 = 8,533.62/x
  3. Step 3: Cross multiply
    28,254.42x = 42,382.35 × 8,533.62
  4. Step 4: Simplify right side
    28,254.42x = 361,674,869.61
  5. Step 5: Solve for x
    x = 361,674,869.61/28,254.42
  6. Step 6: Final answer
    x = 12,800.65

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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.