Home / 27,161.32-40,689.33-15,889.36

Finding the Fourth Proportional to 27,161.32, 40,689.33 and 15,889.36

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Solution

The fourth proportional to 27,161.32, 40,689.33 and 15,889.36 is: 23,803.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,161.32 : 40,689.33 = 15,889.36 : x
  2. Step 2: Convert to fraction form
    27,161.32/40,689.33 = 15,889.36/x
  3. Step 3: Cross multiply
    27,161.32x = 40,689.33 × 15,889.36
  4. Step 4: Simplify right side
    27,161.32x = 646,527,412.53
  5. Step 5: Solve for x
    x = 646,527,412.53/27,161.32
  6. Step 6: Final answer
    x = 23,803.24

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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.