Home / 26,284.74-39,403.65-9,640.87

Finding the Fourth Proportional to 26,284.74, 39,403.65 and 9,640.87

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Solution

The fourth proportional to 26,284.74, 39,403.65 and 9,640.87 is: 14,452.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,284.74 : 39,403.65 = 9,640.87 : x
  2. Step 2: Convert to fraction form
    26,284.74/39,403.65 = 9,640.87/x
  3. Step 3: Cross multiply
    26,284.74x = 39,403.65 × 9,640.87
  4. Step 4: Simplify right side
    26,284.74x = 379,885,467.18
  5. Step 5: Solve for x
    x = 379,885,467.18/26,284.74
  6. Step 6: Final answer
    x = 14,452.70

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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.