Home / 28,807.32-43,205.51-9,080.58

Finding the Fourth Proportional to 28,807.32, 43,205.51 and 9,080.58

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Solution

The fourth proportional to 28,807.32, 43,205.51 and 9,080.58 is: 13,619.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,807.32 : 43,205.51 = 9,080.58 : x
  2. Step 2: Convert to fraction form
    28,807.32/43,205.51 = 9,080.58/x
  3. Step 3: Cross multiply
    28,807.32x = 43,205.51 × 9,080.58
  4. Step 4: Simplify right side
    28,807.32x = 392,331,274.72
  5. Step 5: Solve for x
    x = 392,331,274.72/28,807.32
  6. Step 6: Final answer
    x = 13,619.15

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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.