Home / 28,996.38-43,428.48-17,285.40

Finding the Fourth Proportional to 28,996.38, 43,428.48 and 17,285.40

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Solution

The fourth proportional to 28,996.38, 43,428.48 and 17,285.40 is: 25,888.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,996.38 : 43,428.48 = 17,285.40 : x
  2. Step 2: Convert to fraction form
    28,996.38/43,428.48 = 17,285.40/x
  3. Step 3: Cross multiply
    28,996.38x = 43,428.48 × 17,285.40
  4. Step 4: Simplify right side
    28,996.38x = 750,678,648.19
  5. Step 5: Solve for x
    x = 750,678,648.19/28,996.38
  6. Step 6: Final answer
    x = 25,888.70

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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.