Home / 28,763.05-42,913.54-25,605.57

Finding the Fourth Proportional to 28,763.05, 42,913.54 and 25,605.57

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Solution

The fourth proportional to 28,763.05, 42,913.54 and 25,605.57 is: 38,202.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,763.05 : 42,913.54 = 25,605.57 : x
  2. Step 2: Convert to fraction form
    28,763.05/42,913.54 = 25,605.57/x
  3. Step 3: Cross multiply
    28,763.05x = 42,913.54 × 25,605.57
  4. Step 4: Simplify right side
    28,763.05x = 1,098,825,652.42
  5. Step 5: Solve for x
    x = 1,098,825,652.42/28,763.05
  6. Step 6: Final answer
    x = 38,202.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.