Home / 28,417.22-42,601.52-10,899.62

Finding the Fourth Proportional to 28,417.22, 42,601.52 and 10,899.62

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Solution

The fourth proportional to 28,417.22, 42,601.52 and 10,899.62 is: 16,340.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,417.22 : 42,601.52 = 10,899.62 : x
  2. Step 2: Convert to fraction form
    28,417.22/42,601.52 = 10,899.62/x
  3. Step 3: Cross multiply
    28,417.22x = 42,601.52 × 10,899.62
  4. Step 4: Simplify right side
    28,417.22x = 464,340,379.42
  5. Step 5: Solve for x
    x = 464,340,379.42/28,417.22
  6. Step 6: Final answer
    x = 16,340.11

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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.