Home / 21,402.07-32,103.01-5,819.65

Finding the Fourth Proportional to 21,402.07, 32,103.01 and 5,819.65

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Solution

The fourth proportional to 21,402.07, 32,103.01 and 5,819.65 is: 8,729.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,402.07 : 32,103.01 = 5,819.65 : x
  2. Step 2: Convert to fraction form
    21,402.07/32,103.01 = 5,819.65/x
  3. Step 3: Cross multiply
    21,402.07x = 32,103.01 × 5,819.65
  4. Step 4: Simplify right side
    21,402.07x = 186,828,282.15
  5. Step 5: Solve for x
    x = 186,828,282.15/21,402.07
  6. Step 6: Final answer
    x = 8,729.45

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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.