Home / 28,220.00-42,324.53-26,815.05

Finding the Fourth Proportional to 28,220.00, 42,324.53 and 26,815.05

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Solution

The fourth proportional to 28,220.00, 42,324.53 and 26,815.05 is: 40,217.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,220.00 : 42,324.53 = 26,815.05 : x
  2. Step 2: Convert to fraction form
    28,220.00/42,324.53 = 26,815.05/x
  3. Step 3: Cross multiply
    28,220.00x = 42,324.53 × 26,815.05
  4. Step 4: Simplify right side
    28,220.00x = 1,134,934,254.10
  5. Step 5: Solve for x
    x = 1,134,934,254.10/28,220.00
  6. Step 6: Final answer
    x = 40,217.38

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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.