Home / 25,898.04-38,763.52-13,400.87

Finding the Fourth Proportional to 25,898.04, 38,763.52 and 13,400.87

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Solution

The fourth proportional to 25,898.04, 38,763.52 and 13,400.87 is: 20,058.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,898.04 : 38,763.52 = 13,400.87 : x
  2. Step 2: Convert to fraction form
    25,898.04/38,763.52 = 13,400.87/x
  3. Step 3: Cross multiply
    25,898.04x = 38,763.52 × 13,400.87
  4. Step 4: Simplify right side
    25,898.04x = 519,464,664.94
  5. Step 5: Solve for x
    x = 519,464,664.94/25,898.04
  6. Step 6: Final answer
    x = 20,058.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.