Home / 27,709.74-38,239.38-15,134.46

Finding the Fourth Proportional to 27,709.74, 38,239.38 and 15,134.46

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Solution

The fourth proportional to 27,709.74, 38,239.38 and 15,134.46 is: 20,885.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,709.74 : 38,239.38 = 15,134.46 : x
  2. Step 2: Convert to fraction form
    27,709.74/38,239.38 = 15,134.46/x
  3. Step 3: Cross multiply
    27,709.74x = 38,239.38 × 15,134.46
  4. Step 4: Simplify right side
    27,709.74x = 578,732,367.03
  5. Step 5: Solve for x
    x = 578,732,367.03/27,709.74
  6. Step 6: Final answer
    x = 20,885.52

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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.