Home / 28,207.56-42,302.82-17,693.64

Finding the Fourth Proportional to 28,207.56, 42,302.82 and 17,693.64

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Solution

The fourth proportional to 28,207.56, 42,302.82 and 17,693.64 is: 26,535.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,207.56 : 42,302.82 = 17,693.64 : x
  2. Step 2: Convert to fraction form
    28,207.56/42,302.82 = 17,693.64/x
  3. Step 3: Cross multiply
    28,207.56x = 42,302.82 × 17,693.64
  4. Step 4: Simplify right side
    28,207.56x = 748,490,868.06
  5. Step 5: Solve for x
    x = 748,490,868.06/28,207.56
  6. Step 6: Final answer
    x = 26,535.12

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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.