Home / 28,986.28-43,482.48-9,260.20

Finding the Fourth Proportional to 28,986.28, 43,482.48 and 9,260.20

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Solution

The fourth proportional to 28,986.28, 43,482.48 and 9,260.20 is: 13,891.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,986.28 : 43,482.48 = 9,260.20 : x
  2. Step 2: Convert to fraction form
    28,986.28/43,482.48 = 9,260.20/x
  3. Step 3: Cross multiply
    28,986.28x = 43,482.48 × 9,260.20
  4. Step 4: Simplify right side
    28,986.28x = 402,656,461.30
  5. Step 5: Solve for x
    x = 402,656,461.30/28,986.28
  6. Step 6: Final answer
    x = 13,891.28

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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.