Home / 25,228.04-34,815.56-13,898.30

Finding the Fourth Proportional to 25,228.04, 34,815.56 and 13,898.30

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Solution

The fourth proportional to 25,228.04, 34,815.56 and 13,898.30 is: 19,180.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,228.04 : 34,815.56 = 13,898.30 : x
  2. Step 2: Convert to fraction form
    25,228.04/34,815.56 = 13,898.30/x
  3. Step 3: Cross multiply
    25,228.04x = 34,815.56 × 13,898.30
  4. Step 4: Simplify right side
    25,228.04x = 483,876,853.98
  5. Step 5: Solve for x
    x = 483,876,853.98/25,228.04
  6. Step 6: Final answer
    x = 19,180.12

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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.