Home / 25,715.28-35,502.58-16,778.28

Finding the Fourth Proportional to 25,715.28, 35,502.58 and 16,778.28

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Solution

The fourth proportional to 25,715.28, 35,502.58 and 16,778.28 is: 23,164.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,715.28 : 35,502.58 = 16,778.28 : x
  2. Step 2: Convert to fraction form
    25,715.28/35,502.58 = 16,778.28/x
  3. Step 3: Cross multiply
    25,715.28x = 35,502.58 × 16,778.28
  4. Step 4: Simplify right side
    25,715.28x = 595,672,227.96
  5. Step 5: Solve for x
    x = 595,672,227.96/25,715.28
  6. Step 6: Final answer
    x = 23,164.14

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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.