Home / 38,278.69-57,421.35-10,576.69

Finding the Fourth Proportional to 38,278.69, 57,421.35 and 10,576.69

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Solution

The fourth proportional to 38,278.69, 57,421.35 and 10,576.69 is: 15,865.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,278.69 : 57,421.35 = 10,576.69 : x
  2. Step 2: Convert to fraction form
    38,278.69/57,421.35 = 10,576.69/x
  3. Step 3: Cross multiply
    38,278.69x = 57,421.35 × 10,576.69
  4. Step 4: Simplify right side
    38,278.69x = 607,327,674.78
  5. Step 5: Solve for x
    x = 607,327,674.78/38,278.69
  6. Step 6: Final answer
    x = 15,865.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.