Home / 23,421.15-32,320.92-12,810.66

Finding the Fourth Proportional to 23,421.15, 32,320.92 and 12,810.66

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Solution

The fourth proportional to 23,421.15, 32,320.92 and 12,810.66 is: 17,678.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,421.15 : 32,320.92 = 12,810.66 : x
  2. Step 2: Convert to fraction form
    23,421.15/32,320.92 = 12,810.66/x
  3. Step 3: Cross multiply
    23,421.15x = 32,320.92 × 12,810.66
  4. Step 4: Simplify right side
    23,421.15x = 414,052,243.84
  5. Step 5: Solve for x
    x = 414,052,243.84/23,421.15
  6. Step 6: Final answer
    x = 17,678.56

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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.