Home / 36,445.07-54,657.05-15,389.88

Finding the Fourth Proportional to 36,445.07, 54,657.05 and 15,389.88

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Solution

The fourth proportional to 36,445.07, 54,657.05 and 15,389.88 is: 23,080.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,445.07 : 54,657.05 = 15,389.88 : x
  2. Step 2: Convert to fraction form
    36,445.07/54,657.05 = 15,389.88/x
  3. Step 3: Cross multiply
    36,445.07x = 54,657.05 × 15,389.88
  4. Step 4: Simplify right side
    36,445.07x = 841,165,363.70
  5. Step 5: Solve for x
    x = 841,165,363.70/36,445.07
  6. Step 6: Final answer
    x = 23,080.36

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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.