Home / 27,099.18-37,398.32-15,161.80

Finding the Fourth Proportional to 27,099.18, 37,398.32 and 15,161.80

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Solution

The fourth proportional to 27,099.18, 37,398.32 and 15,161.80 is: 20,924.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,099.18 : 37,398.32 = 15,161.80 : x
  2. Step 2: Convert to fraction form
    27,099.18/37,398.32 = 15,161.80/x
  3. Step 3: Cross multiply
    27,099.18x = 37,398.32 × 15,161.80
  4. Step 4: Simplify right side
    27,099.18x = 567,025,848.18
  5. Step 5: Solve for x
    x = 567,025,848.18/27,099.18
  6. Step 6: Final answer
    x = 20,924.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.