Home / 25,686.13-38,537.43-10,907.49

Finding the Fourth Proportional to 25,686.13, 38,537.43 and 10,907.49

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Solution

The fourth proportional to 25,686.13, 38,537.43 and 10,907.49 is: 16,364.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,686.13 : 38,537.43 = 10,907.49 : x
  2. Step 2: Convert to fraction form
    25,686.13/38,537.43 = 10,907.49/x
  3. Step 3: Cross multiply
    25,686.13x = 38,537.43 × 10,907.49
  4. Step 4: Simplify right side
    25,686.13x = 420,346,632.35
  5. Step 5: Solve for x
    x = 420,346,632.35/25,686.13
  6. Step 6: Final answer
    x = 16,364.73

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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.