Home / 25,881.24-38,794.18-13,388.70

Finding the Fourth Proportional to 25,881.24, 38,794.18 and 13,388.70

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Solution

The fourth proportional to 25,881.24, 38,794.18 and 13,388.70 is: 20,068.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,881.24 : 38,794.18 = 13,388.70 : x
  2. Step 2: Convert to fraction form
    25,881.24/38,794.18 = 13,388.70/x
  3. Step 3: Cross multiply
    25,881.24x = 38,794.18 × 13,388.70
  4. Step 4: Simplify right side
    25,881.24x = 519,403,637.77
  5. Step 5: Solve for x
    x = 519,403,637.77/25,881.24
  6. Step 6: Final answer
    x = 20,068.73

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1.5x scale

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.