Home / 26,641.26-36,762.95-15,310.78

Finding the Fourth Proportional to 26,641.26, 36,762.95 and 15,310.78

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Solution

The fourth proportional to 26,641.26, 36,762.95 and 15,310.78 is: 21,127.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,641.26 : 36,762.95 = 15,310.78 : x
  2. Step 2: Convert to fraction form
    26,641.26/36,762.95 = 15,310.78/x
  3. Step 3: Cross multiply
    26,641.26x = 36,762.95 × 15,310.78
  4. Step 4: Simplify right side
    26,641.26x = 562,869,385.97
  5. Step 5: Solve for x
    x = 562,869,385.97/26,641.26
  6. Step 6: Final answer
    x = 21,127.73

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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.