Home / 28,948.16-43,442.99-12,319.88

Finding the Fourth Proportional to 28,948.16, 43,442.99 and 12,319.88

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Solution

The fourth proportional to 28,948.16, 43,442.99 and 12,319.88 is: 18,488.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,948.16 : 43,442.99 = 12,319.88 : x
  2. Step 2: Convert to fraction form
    28,948.16/43,442.99 = 12,319.88/x
  3. Step 3: Cross multiply
    28,948.16x = 43,442.99 × 12,319.88
  4. Step 4: Simplify right side
    28,948.16x = 535,212,144.83
  5. Step 5: Solve for x
    x = 535,212,144.83/28,948.16
  6. Step 6: Final answer
    x = 18,488.64

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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.