Home / 28,924.71-43,387.02-8,148.21

Finding the Fourth Proportional to 28,924.71, 43,387.02 and 8,148.21

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Solution

The fourth proportional to 28,924.71, 43,387.02 and 8,148.21 is: 12,222.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,924.71 : 43,387.02 = 8,148.21 : x
  2. Step 2: Convert to fraction form
    28,924.71/43,387.02 = 8,148.21/x
  3. Step 3: Cross multiply
    28,924.71x = 43,387.02 × 8,148.21
  4. Step 4: Simplify right side
    28,924.71x = 353,526,550.23
  5. Step 5: Solve for x
    x = 353,526,550.23/28,924.71
  6. Step 6: Final answer
    x = 12,222.30

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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.