Home / 28,025.38-42,017.01-13,225.87

Finding the Fourth Proportional to 28,025.38, 42,017.01 and 13,225.87

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Solution

The fourth proportional to 28,025.38, 42,017.01 and 13,225.87 is: 19,828.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,025.38 : 42,017.01 = 13,225.87 : x
  2. Step 2: Convert to fraction form
    28,025.38/42,017.01 = 13,225.87/x
  3. Step 3: Cross multiply
    28,025.38x = 42,017.01 × 13,225.87
  4. Step 4: Simplify right side
    28,025.38x = 555,711,512.05
  5. Step 5: Solve for x
    x = 555,711,512.05/28,025.38
  6. Step 6: Final answer
    x = 19,828.87

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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.