Home / 23,292.12-32,142.94-12,681.72

Finding the Fourth Proportional to 23,292.12, 32,142.94 and 12,681.72

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Solution

The fourth proportional to 23,292.12, 32,142.94 and 12,681.72 is: 17,500.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,292.12 : 32,142.94 = 12,681.72 : x
  2. Step 2: Convert to fraction form
    23,292.12/32,142.94 = 12,681.72/x
  3. Step 3: Cross multiply
    23,292.12x = 32,142.94 × 12,681.72
  4. Step 4: Simplify right side
    23,292.12x = 407,627,765.06
  5. Step 5: Solve for x
    x = 407,627,765.06/23,292.12
  6. Step 6: Final answer
    x = 17,500.67

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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.