Home / 28,926.12-43,339.64-15,787.71

Finding the Fourth Proportional to 28,926.12, 43,339.64 and 15,787.71

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Solution

The fourth proportional to 28,926.12, 43,339.64 and 15,787.71 is: 23,654.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,926.12 : 43,339.64 = 15,787.71 : x
  2. Step 2: Convert to fraction form
    28,926.12/43,339.64 = 15,787.71/x
  3. Step 3: Cross multiply
    28,926.12x = 43,339.64 × 15,787.71
  4. Step 4: Simplify right side
    28,926.12x = 684,233,451.13
  5. Step 5: Solve for x
    x = 684,233,451.13/28,926.12
  6. Step 6: Final answer
    x = 23,654.52

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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.