Home / 28,925.12-43,357.62-12,295.82

Finding the Fourth Proportional to 28,925.12, 43,357.62 and 12,295.82

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Solution

The fourth proportional to 28,925.12, 43,357.62 and 12,295.82 is: 18,430.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,925.12 : 43,357.62 = 12,295.82 : x
  2. Step 2: Convert to fraction form
    28,925.12/43,357.62 = 12,295.82/x
  3. Step 3: Cross multiply
    28,925.12x = 43,357.62 × 12,295.82
  4. Step 4: Simplify right side
    28,925.12x = 533,117,491.15
  5. Step 5: Solve for x
    x = 533,117,491.15/28,925.12
  6. Step 6: Final answer
    x = 18,430.95

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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.