Home / 28,339.04-42,499.92-22,779.20

Finding the Fourth Proportional to 28,339.04, 42,499.92 and 22,779.20

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Solution

The fourth proportional to 28,339.04, 42,499.92 and 22,779.20 is: 34,161.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,339.04 : 42,499.92 = 22,779.20 : x
  2. Step 2: Convert to fraction form
    28,339.04/42,499.92 = 22,779.20/x
  3. Step 3: Cross multiply
    28,339.04x = 42,499.92 × 22,779.20
  4. Step 4: Simplify right side
    28,339.04x = 968,114,177.66
  5. Step 5: Solve for x
    x = 968,114,177.66/28,339.04
  6. Step 6: Final answer
    x = 34,161.86

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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.