Home / 23,439.13-32,346.05-12,829.45

Finding the Fourth Proportional to 23,439.13, 32,346.05 and 12,829.45

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Solution

The fourth proportional to 23,439.13, 32,346.05 and 12,829.45 is: 17,704.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,439.13 : 32,346.05 = 12,829.45 : x
  2. Step 2: Convert to fraction form
    23,439.13/32,346.05 = 12,829.45/x
  3. Step 3: Cross multiply
    23,439.13x = 32,346.05 × 12,829.45
  4. Step 4: Simplify right side
    23,439.13x = 414,982,031.17
  5. Step 5: Solve for x
    x = 414,982,031.17/23,439.13
  6. Step 6: Final answer
    x = 17,704.67

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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.