Home / 17,938.75-26,908.15-8,576.57

Finding the Fourth Proportional to 17,938.75, 26,908.15 and 8,576.57

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Solution

The fourth proportional to 17,938.75, 26,908.15 and 8,576.57 is: 12,864.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,938.75 : 26,908.15 = 8,576.57 : x
  2. Step 2: Convert to fraction form
    17,938.75/26,908.15 = 8,576.57/x
  3. Step 3: Cross multiply
    17,938.75x = 26,908.15 × 8,576.57
  4. Step 4: Simplify right side
    17,938.75x = 230,779,642.77
  5. Step 5: Solve for x
    x = 230,779,642.77/17,938.75
  6. Step 6: Final answer
    x = 12,864.87

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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.