Home / 25,970.14-35,850.09-20,214.55

Finding the Fourth Proportional to 25,970.14, 35,850.09 and 20,214.55

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Solution

The fourth proportional to 25,970.14, 35,850.09 and 20,214.55 is: 27,904.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,970.14 : 35,850.09 = 20,214.55 : x
  2. Step 2: Convert to fraction form
    25,970.14/35,850.09 = 20,214.55/x
  3. Step 3: Cross multiply
    25,970.14x = 35,850.09 × 20,214.55
  4. Step 4: Simplify right side
    25,970.14x = 724,693,436.81
  5. Step 5: Solve for x
    x = 724,693,436.81/25,970.14
  6. Step 6: Final answer
    x = 27,904.87

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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.