Home / 20,324.68-28,099.38-15,011.08

Finding the Fourth Proportional to 20,324.68, 28,099.38 and 15,011.08

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Solution

The fourth proportional to 20,324.68, 28,099.38 and 15,011.08 is: 20,753.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,324.68 : 28,099.38 = 15,011.08 : x
  2. Step 2: Convert to fraction form
    20,324.68/28,099.38 = 15,011.08/x
  3. Step 3: Cross multiply
    20,324.68x = 28,099.38 × 15,011.08
  4. Step 4: Simplify right side
    20,324.68x = 421,802,041.13
  5. Step 5: Solve for x
    x = 421,802,041.13/20,324.68
  6. Step 6: Final answer
    x = 20,753.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.