Home / 16,720.16-25,080.71-5,627.21

Finding the Fourth Proportional to 16,720.16, 25,080.71 and 5,627.21

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Solution

The fourth proportional to 16,720.16, 25,080.71 and 5,627.21 is: 8,440.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,720.16 : 25,080.71 = 5,627.21 : x
  2. Step 2: Convert to fraction form
    16,720.16/25,080.71 = 5,627.21/x
  3. Step 3: Cross multiply
    16,720.16x = 25,080.71 × 5,627.21
  4. Step 4: Simplify right side
    16,720.16x = 141,134,268.58
  5. Step 5: Solve for x
    x = 141,134,268.58/16,720.16
  6. Step 6: Final answer
    x = 8,440.97

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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.