Home / 28,932.30-43,387.65-10,205.10

Finding the Fourth Proportional to 28,932.30, 43,387.65 and 10,205.10

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Solution

The fourth proportional to 28,932.30, 43,387.65 and 10,205.10 is: 15,303.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,932.30 : 43,387.65 = 10,205.10 : x
  2. Step 2: Convert to fraction form
    28,932.30/43,387.65 = 10,205.10/x
  3. Step 3: Cross multiply
    28,932.30x = 43,387.65 × 10,205.10
  4. Step 4: Simplify right side
    28,932.30x = 442,775,307.02
  5. Step 5: Solve for x
    x = 442,775,307.02/28,932.30
  6. Step 6: Final answer
    x = 15,303.84

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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.