Home / 21,836.07-32,752.28-7,806.47

Finding the Fourth Proportional to 21,836.07, 32,752.28 and 7,806.47

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Solution

The fourth proportional to 21,836.07, 32,752.28 and 7,806.47 is: 11,709.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,836.07 : 32,752.28 = 7,806.47 : x
  2. Step 2: Convert to fraction form
    21,836.07/32,752.28 = 7,806.47/x
  3. Step 3: Cross multiply
    21,836.07x = 32,752.28 × 7,806.47
  4. Step 4: Simplify right side
    21,836.07x = 255,679,488.46
  5. Step 5: Solve for x
    x = 255,679,488.46/21,836.07
  6. Step 6: Final answer
    x = 11,709.04

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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.