Home / 28,356.32-42,534.80-10,827.84

Finding the Fourth Proportional to 28,356.32, 42,534.80 and 10,827.84

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Solution

The fourth proportional to 28,356.32, 42,534.80 and 10,827.84 is: 16,241.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,356.32 : 42,534.80 = 10,827.84 : x
  2. Step 2: Convert to fraction form
    28,356.32/42,534.80 = 10,827.84/x
  3. Step 3: Cross multiply
    28,356.32x = 42,534.80 × 10,827.84
  4. Step 4: Simplify right side
    28,356.32x = 460,560,008.83
  5. Step 5: Solve for x
    x = 460,560,008.83/28,356.32
  6. Step 6: Final answer
    x = 16,241.88

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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.