Home / 25,886.87-38,822.78-10,088.37

Finding the Fourth Proportional to 25,886.87, 38,822.78 and 10,088.37

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Solution

The fourth proportional to 25,886.87, 38,822.78 and 10,088.37 is: 15,129.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,886.87 : 38,822.78 = 10,088.37 : x
  2. Step 2: Convert to fraction form
    25,886.87/38,822.78 = 10,088.37/x
  3. Step 3: Cross multiply
    25,886.87x = 38,822.78 × 10,088.37
  4. Step 4: Simplify right side
    25,886.87x = 391,658,518.63
  5. Step 5: Solve for x
    x = 391,658,518.63/25,886.87
  6. Step 6: Final answer
    x = 15,129.62

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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.