Home / 27,642.24-41,419.84-17,238.40

Finding the Fourth Proportional to 27,642.24, 41,419.84 and 17,238.40

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Solution

The fourth proportional to 27,642.24, 41,419.84 and 17,238.40 is: 25,830.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,642.24 : 41,419.84 = 17,238.40 : x
  2. Step 2: Convert to fraction form
    27,642.24/41,419.84 = 17,238.40/x
  3. Step 3: Cross multiply
    27,642.24x = 41,419.84 × 17,238.40
  4. Step 4: Simplify right side
    27,642.24x = 714,011,769.86
  5. Step 5: Solve for x
    x = 714,011,769.86/27,642.24
  6. Step 6: Final answer
    x = 25,830.46

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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.