Home / 27,286.47-37,652.28-15,349.57

Finding the Fourth Proportional to 27,286.47, 37,652.28 and 15,349.57

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Solution

The fourth proportional to 27,286.47, 37,652.28 and 15,349.57 is: 21,180.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,286.47 : 37,652.28 = 15,349.57 : x
  2. Step 2: Convert to fraction form
    27,286.47/37,652.28 = 15,349.57/x
  3. Step 3: Cross multiply
    27,286.47x = 37,652.28 × 15,349.57
  4. Step 4: Simplify right side
    27,286.47x = 577,946,155.83
  5. Step 5: Solve for x
    x = 577,946,155.83/27,286.47
  6. Step 6: Final answer
    x = 21,180.69

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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.