Home / 23,378.96-32,262.12-12,768.40

Finding the Fourth Proportional to 23,378.96, 32,262.12 and 12,768.40

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Solution

The fourth proportional to 23,378.96, 32,262.12 and 12,768.40 is: 17,619.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,378.96 : 32,262.12 = 12,768.40 : x
  2. Step 2: Convert to fraction form
    23,378.96/32,262.12 = 12,768.40/x
  3. Step 3: Cross multiply
    23,378.96x = 32,262.12 × 12,768.40
  4. Step 4: Simplify right side
    23,378.96x = 411,935,653.01
  5. Step 5: Solve for x
    x = 411,935,653.01/23,378.96
  6. Step 6: Final answer
    x = 17,619.93

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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.