Home / 27,453.74-37,889.17-15,358.61

Finding the Fourth Proportional to 27,453.74, 37,889.17 and 15,358.61

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Solution

The fourth proportional to 27,453.74, 37,889.17 and 15,358.61 is: 21,196.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,453.74 : 37,889.17 = 15,358.61 : x
  2. Step 2: Convert to fraction form
    27,453.74/37,889.17 = 15,358.61/x
  3. Step 3: Cross multiply
    27,453.74x = 37,889.17 × 15,358.61
  4. Step 4: Simplify right side
    27,453.74x = 581,925,041.58
  5. Step 5: Solve for x
    x = 581,925,041.58/27,453.74
  6. Step 6: Final answer
    x = 21,196.57

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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.