Home / 26,321.76-36,326.37-14,988.78

Finding the Fourth Proportional to 26,321.76, 36,326.37 and 14,988.78

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Solution

The fourth proportional to 26,321.76, 36,326.37 and 14,988.78 is: 20,685.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,321.76 : 36,326.37 = 14,988.78 : x
  2. Step 2: Convert to fraction form
    26,321.76/36,326.37 = 14,988.78/x
  3. Step 3: Cross multiply
    26,321.76x = 36,326.37 × 14,988.78
  4. Step 4: Simplify right side
    26,321.76x = 544,487,968.13
  5. Step 5: Solve for x
    x = 544,487,968.13/26,321.76
  6. Step 6: Final answer
    x = 20,685.85

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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.