Home / 21,900.07-32,859.68-10,801.05

Finding the Fourth Proportional to 21,900.07, 32,859.68 and 10,801.05

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Solution

The fourth proportional to 21,900.07, 32,859.68 and 10,801.05 is: 16,206.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,900.07 : 32,859.68 = 10,801.05 : x
  2. Step 2: Convert to fraction form
    21,900.07/32,859.68 = 10,801.05/x
  3. Step 3: Cross multiply
    21,900.07x = 32,859.68 × 10,801.05
  4. Step 4: Simplify right side
    21,900.07x = 354,918,869.43
  5. Step 5: Solve for x
    x = 354,918,869.43/21,900.07
  6. Step 6: Final answer
    x = 16,206.29

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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.