Home / 17,875.32-26,810.70-4,728.72

Finding the Fourth Proportional to 17,875.32, 26,810.70 and 4,728.72

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Solution

The fourth proportional to 17,875.32, 26,810.70 and 4,728.72 is: 7,092.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,875.32 : 26,810.70 = 4,728.72 : x
  2. Step 2: Convert to fraction form
    17,875.32/26,810.70 = 4,728.72/x
  3. Step 3: Cross multiply
    17,875.32x = 26,810.70 × 4,728.72
  4. Step 4: Simplify right side
    17,875.32x = 126,780,293.30
  5. Step 5: Solve for x
    x = 126,780,293.30/17,875.32
  6. Step 6: Final answer
    x = 7,092.48

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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.