Home / 28,000.38-38,641.32-16,065.84

Finding the Fourth Proportional to 28,000.38, 38,641.32 and 16,065.84

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Solution

The fourth proportional to 28,000.38, 38,641.32 and 16,065.84 is: 22,171.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,000.38 : 38,641.32 = 16,065.84 : x
  2. Step 2: Convert to fraction form
    28,000.38/38,641.32 = 16,065.84/x
  3. Step 3: Cross multiply
    28,000.38x = 38,641.32 × 16,065.84
  4. Step 4: Simplify right side
    28,000.38x = 620,805,264.51
  5. Step 5: Solve for x
    x = 620,805,264.51/28,000.38
  6. Step 6: Final answer
    x = 22,171.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.