Home / 21,923.56-32,890.21-10,230.40

Finding the Fourth Proportional to 21,923.56, 32,890.21 and 10,230.40

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Solution

The fourth proportional to 21,923.56, 32,890.21 and 10,230.40 is: 15,347.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,923.56 : 32,890.21 = 10,230.40 : x
  2. Step 2: Convert to fraction form
    21,923.56/32,890.21 = 10,230.40/x
  3. Step 3: Cross multiply
    21,923.56x = 32,890.21 × 10,230.40
  4. Step 4: Simplify right side
    21,923.56x = 336,480,004.38
  5. Step 5: Solve for x
    x = 336,480,004.38/21,923.56
  6. Step 6: Final answer
    x = 15,347.87

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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.