Home / 25,257.20-34,885.56-18,533.12

Finding the Fourth Proportional to 25,257.20, 34,885.56 and 18,533.12

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Solution

The fourth proportional to 25,257.20, 34,885.56 and 18,533.12 is: 25,598.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,257.20 : 34,885.56 = 18,533.12 : x
  2. Step 2: Convert to fraction form
    25,257.20/34,885.56 = 18,533.12/x
  3. Step 3: Cross multiply
    25,257.20x = 34,885.56 × 18,533.12
  4. Step 4: Simplify right side
    25,257.20x = 646,538,269.75
  5. Step 5: Solve for x
    x = 646,538,269.75/25,257.20
  6. Step 6: Final answer
    x = 25,598.18

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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.