Home / 23,289.65-32,134.25-13,215.81

Finding the Fourth Proportional to 23,289.65, 32,134.25 and 13,215.81

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Solution

The fourth proportional to 23,289.65, 32,134.25 and 13,215.81 is: 18,234.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,289.65 : 32,134.25 = 13,215.81 : x
  2. Step 2: Convert to fraction form
    23,289.65/32,134.25 = 13,215.81/x
  3. Step 3: Cross multiply
    23,289.65x = 32,134.25 × 13,215.81
  4. Step 4: Simplify right side
    23,289.65x = 424,680,142.49
  5. Step 5: Solve for x
    x = 424,680,142.49/23,289.65
  6. Step 6: Final answer
    x = 18,234.72

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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.