Home / 24,215.79-33,418.65-13,605.21

Finding the Fourth Proportional to 24,215.79, 33,418.65 and 13,605.21

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Solution

The fourth proportional to 24,215.79, 33,418.65 and 13,605.21 is: 18,775.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,215.79 : 33,418.65 = 13,605.21 : x
  2. Step 2: Convert to fraction form
    24,215.79/33,418.65 = 13,605.21/x
  3. Step 3: Cross multiply
    24,215.79x = 33,418.65 × 13,605.21
  4. Step 4: Simplify right side
    24,215.79x = 454,667,751.17
  5. Step 5: Solve for x
    x = 454,667,751.17/24,215.79
  6. Step 6: Final answer
    x = 18,775.67

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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.