Home / 21,768.20-32,652.16-10,510.40

Finding the Fourth Proportional to 21,768.20, 32,652.16 and 10,510.40

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Solution

The fourth proportional to 21,768.20, 32,652.16 and 10,510.40 is: 15,765.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,768.20 : 32,652.16 = 10,510.40 : x
  2. Step 2: Convert to fraction form
    21,768.20/32,652.16 = 10,510.40/x
  3. Step 3: Cross multiply
    21,768.20x = 32,652.16 × 10,510.40
  4. Step 4: Simplify right side
    21,768.20x = 343,187,262.46
  5. Step 5: Solve for x
    x = 343,187,262.46/21,768.20
  6. Step 6: Final answer
    x = 15,765.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.