Home / 25,281.44-34,890.36-13,953.20

Finding the Fourth Proportional to 25,281.44, 34,890.36 and 13,953.20

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Solution

The fourth proportional to 25,281.44, 34,890.36 and 13,953.20 is: 19,256.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,281.44 : 34,890.36 = 13,953.20 : x
  2. Step 2: Convert to fraction form
    25,281.44/34,890.36 = 13,953.20/x
  3. Step 3: Cross multiply
    25,281.44x = 34,890.36 × 13,953.20
  4. Step 4: Simplify right side
    25,281.44x = 486,832,171.15
  5. Step 5: Solve for x
    x = 486,832,171.15/25,281.44
  6. Step 6: Final answer
    x = 19,256.50

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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.