Home / 28,222.47-42,330.24-16,382.68

Finding the Fourth Proportional to 28,222.47, 42,330.24 and 16,382.68

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Solution

The fourth proportional to 28,222.47, 42,330.24 and 16,382.68 is: 24,572.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,222.47 : 42,330.24 = 16,382.68 : x
  2. Step 2: Convert to fraction form
    28,222.47/42,330.24 = 16,382.68/x
  3. Step 3: Cross multiply
    28,222.47x = 42,330.24 × 16,382.68
  4. Step 4: Simplify right side
    28,222.47x = 693,482,670.42
  5. Step 5: Solve for x
    x = 693,482,670.42/28,222.47
  6. Step 6: Final answer
    x = 24,572.00

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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.