Home / 28,927.12-43,341.14-15,788.71

Finding the Fourth Proportional to 28,927.12, 43,341.14 and 15,788.71

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Solution

The fourth proportional to 28,927.12, 43,341.14 and 15,788.71 is: 23,656.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,927.12 : 43,341.14 = 15,788.71 : x
  2. Step 2: Convert to fraction form
    28,927.12/43,341.14 = 15,788.71/x
  3. Step 3: Cross multiply
    28,927.12x = 43,341.14 × 15,788.71
  4. Step 4: Simplify right side
    28,927.12x = 684,300,690.53
  5. Step 5: Solve for x
    x = 684,300,690.53/28,927.12
  6. Step 6: Final answer
    x = 23,656.03

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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.