Home / 28,689.38-39,595.05-16,114.13

Finding the Fourth Proportional to 28,689.38, 39,595.05 and 16,114.13

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Solution

The fourth proportional to 28,689.38, 39,595.05 and 16,114.13 is: 22,239.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,689.38 : 39,595.05 = 16,114.13 : x
  2. Step 2: Convert to fraction form
    28,689.38/39,595.05 = 16,114.13/x
  3. Step 3: Cross multiply
    28,689.38x = 39,595.05 × 16,114.13
  4. Step 4: Simplify right side
    28,689.38x = 638,039,783.06
  5. Step 5: Solve for x
    x = 638,039,783.06/28,689.38
  6. Step 6: Final answer
    x = 22,239.58

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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.