Home / 26,516.28-39,774.56-8,986.28

Finding the Fourth Proportional to 26,516.28, 39,774.56 and 8,986.28

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Solution

The fourth proportional to 26,516.28, 39,774.56 and 8,986.28 is: 13,479.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,516.28 : 39,774.56 = 8,986.28 : x
  2. Step 2: Convert to fraction form
    26,516.28/39,774.56 = 8,986.28/x
  3. Step 3: Cross multiply
    26,516.28x = 39,774.56 × 8,986.28
  4. Step 4: Simplify right side
    26,516.28x = 357,425,333.04
  5. Step 5: Solve for x
    x = 357,425,333.04/26,516.28
  6. Step 6: Final answer
    x = 13,479.47

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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.