Home / 24,031.28-33,163.36-13,421.76

Finding the Fourth Proportional to 24,031.28, 33,163.36 and 13,421.76

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Solution

The fourth proportional to 24,031.28, 33,163.36 and 13,421.76 is: 18,522.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,031.28 : 33,163.36 = 13,421.76 : x
  2. Step 2: Convert to fraction form
    24,031.28/33,163.36 = 13,421.76/x
  3. Step 3: Cross multiply
    24,031.28x = 33,163.36 × 13,421.76
  4. Step 4: Simplify right side
    24,031.28x = 445,110,658.71
  5. Step 5: Solve for x
    x = 445,110,658.71/24,031.28
  6. Step 6: Final answer
    x = 18,522.14

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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.