Home / 28,784.23-43,148.64-14,750.89

Finding the Fourth Proportional to 28,784.23, 43,148.64 and 14,750.89

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Solution

The fourth proportional to 28,784.23, 43,148.64 and 14,750.89 is: 22,112.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,784.23 : 43,148.64 = 14,750.89 : x
  2. Step 2: Convert to fraction form
    28,784.23/43,148.64 = 14,750.89/x
  3. Step 3: Cross multiply
    28,784.23x = 43,148.64 × 14,750.89
  4. Step 4: Simplify right side
    28,784.23x = 636,480,842.29
  5. Step 5: Solve for x
    x = 636,480,842.29/28,784.23
  6. Step 6: Final answer
    x = 22,112.14

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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.