Home / 21,332.75-32,010.65-10,388.75

Finding the Fourth Proportional to 21,332.75, 32,010.65 and 10,388.75

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Solution

The fourth proportional to 21,332.75, 32,010.65 and 10,388.75 is: 15,588.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,332.75 : 32,010.65 = 10,388.75 : x
  2. Step 2: Convert to fraction form
    21,332.75/32,010.65 = 10,388.75/x
  3. Step 3: Cross multiply
    21,332.75x = 32,010.65 × 10,388.75
  4. Step 4: Simplify right side
    21,332.75x = 332,550,640.19
  5. Step 5: Solve for x
    x = 332,550,640.19/21,332.75
  6. Step 6: Final answer
    x = 15,588.74

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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.