Home / 28,986.14-43,479.26-9,266.29

Finding the Fourth Proportional to 28,986.14, 43,479.26 and 9,266.29

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Solution

The fourth proportional to 28,986.14, 43,479.26 and 9,266.29 is: 13,899.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,986.14 : 43,479.26 = 9,266.29 : x
  2. Step 2: Convert to fraction form
    28,986.14/43,479.26 = 9,266.29/x
  3. Step 3: Cross multiply
    28,986.14x = 43,479.26 × 9,266.29
  4. Step 4: Simplify right side
    28,986.14x = 402,891,432.15
  5. Step 5: Solve for x
    x = 402,891,432.15/28,986.14
  6. Step 6: Final answer
    x = 13,899.45

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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.