Home / 27,693.68-38,219.46-15,757.52

Finding the Fourth Proportional to 27,693.68, 38,219.46 and 15,757.52

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Solution

The fourth proportional to 27,693.68, 38,219.46 and 15,757.52 is: 21,746.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,693.68 : 38,219.46 = 15,757.52 : x
  2. Step 2: Convert to fraction form
    27,693.68/38,219.46 = 15,757.52/x
  3. Step 3: Cross multiply
    27,693.68x = 38,219.46 × 15,757.52
  4. Step 4: Simplify right side
    27,693.68x = 602,243,905.34
  5. Step 5: Solve for x
    x = 602,243,905.34/27,693.68
  6. Step 6: Final answer
    x = 21,746.62

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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.