Home / 25,886.84-38,771.92-18,130.28

Finding the Fourth Proportional to 25,886.84, 38,771.92 and 18,130.28

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Solution

The fourth proportional to 25,886.84, 38,771.92 and 18,130.28 is: 27,154.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,886.84 : 38,771.92 = 18,130.28 : x
  2. Step 2: Convert to fraction form
    25,886.84/38,771.92 = 18,130.28/x
  3. Step 3: Cross multiply
    25,886.84x = 38,771.92 × 18,130.28
  4. Step 4: Simplify right side
    25,886.84x = 702,945,765.74
  5. Step 5: Solve for x
    x = 702,945,765.74/25,886.84
  6. Step 6: Final answer
    x = 27,154.56

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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.