Home / 27,011.88-40,467.20-15,885.32

Finding the Fourth Proportional to 27,011.88, 40,467.20 and 15,885.32

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Solution

The fourth proportional to 27,011.88, 40,467.20 and 15,885.32 is: 23,798.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,011.88 : 40,467.20 = 15,885.32 : x
  2. Step 2: Convert to fraction form
    27,011.88/40,467.20 = 15,885.32/x
  3. Step 3: Cross multiply
    27,011.88x = 40,467.20 × 15,885.32
  4. Step 4: Simplify right side
    27,011.88x = 642,834,139.74
  5. Step 5: Solve for x
    x = 642,834,139.74/27,011.88
  6. Step 6: Final answer
    x = 23,798.20

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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.