Home / 27,386.76-37,793.59-15,286.55

Finding the Fourth Proportional to 27,386.76, 37,793.59 and 15,286.55

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Solution

The fourth proportional to 27,386.76, 37,793.59 and 15,286.55 is: 21,095.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,386.76 : 37,793.59 = 15,286.55 : x
  2. Step 2: Convert to fraction form
    27,386.76/37,793.59 = 15,286.55/x
  3. Step 3: Cross multiply
    27,386.76x = 37,793.59 × 15,286.55
  4. Step 4: Simplify right side
    27,386.76x = 577,733,337.81
  5. Step 5: Solve for x
    x = 577,733,337.81/27,386.76
  6. Step 6: Final answer
    x = 21,095.36

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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.