Home / 26,314.20-36,309.60-14,979.60

Finding the Fourth Proportional to 26,314.20, 36,309.60 and 14,979.60

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Solution

The fourth proportional to 26,314.20, 36,309.60 and 14,979.60 is: 20,669.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,314.20 : 36,309.60 = 14,979.60 : x
  2. Step 2: Convert to fraction form
    26,314.20/36,309.60 = 14,979.60/x
  3. Step 3: Cross multiply
    26,314.20x = 36,309.60 × 14,979.60
  4. Step 4: Simplify right side
    26,314.20x = 543,903,284.16
  5. Step 5: Solve for x
    x = 543,903,284.16/26,314.20
  6. Step 6: Final answer
    x = 20,669.57

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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.