Home / 26,328.10-39,434.55-15,921.70

Finding the Fourth Proportional to 26,328.10, 39,434.55 and 15,921.70

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Solution

The fourth proportional to 26,328.10, 39,434.55 and 15,921.70 is: 23,847.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,328.10 : 39,434.55 = 15,921.70 : x
  2. Step 2: Convert to fraction form
    26,328.10/39,434.55 = 15,921.70/x
  3. Step 3: Cross multiply
    26,328.10x = 39,434.55 × 15,921.70
  4. Step 4: Simplify right side
    26,328.10x = 627,865,074.74
  5. Step 5: Solve for x
    x = 627,865,074.74/26,328.10
  6. Step 6: Final answer
    x = 23,847.72

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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.