Home / 27,063.91-37,347.54-15,128.35

Finding the Fourth Proportional to 27,063.91, 37,347.54 and 15,128.35

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Solution

The fourth proportional to 27,063.91, 37,347.54 and 15,128.35 is: 20,876.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,063.91 : 37,347.54 = 15,128.35 : x
  2. Step 2: Convert to fraction form
    27,063.91/37,347.54 = 15,128.35/x
  3. Step 3: Cross multiply
    27,063.91x = 37,347.54 × 15,128.35
  4. Step 4: Simplify right side
    27,063.91x = 565,006,656.76
  5. Step 5: Solve for x
    x = 565,006,656.76/27,063.91
  6. Step 6: Final answer
    x = 20,876.76

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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.