Home / 27,311.66-37,693.68-15,377.32

Finding the Fourth Proportional to 27,311.66, 37,693.68 and 15,377.32

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Solution

The fourth proportional to 27,311.66, 37,693.68 and 15,377.32 is: 21,222.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,311.66 : 37,693.68 = 15,377.32 : x
  2. Step 2: Convert to fraction form
    27,311.66/37,693.68 = 15,377.32/x
  3. Step 3: Cross multiply
    27,311.66x = 37,693.68 × 15,377.32
  4. Step 4: Simplify right side
    27,311.66x = 579,627,685.10
  5. Step 5: Solve for x
    x = 579,627,685.10/27,311.66
  6. Step 6: Final answer
    x = 21,222.72

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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.