Home / 25,661.06-38,495.62-10,870.06

Finding the Fourth Proportional to 25,661.06, 38,495.62 and 10,870.06

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Solution

The fourth proportional to 25,661.06, 38,495.62 and 10,870.06 is: 16,306.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,661.06 : 38,495.62 = 10,870.06 : x
  2. Step 2: Convert to fraction form
    25,661.06/38,495.62 = 10,870.06/x
  3. Step 3: Cross multiply
    25,661.06x = 38,495.62 × 10,870.06
  4. Step 4: Simplify right side
    25,661.06x = 418,449,699.14
  5. Step 5: Solve for x
    x = 418,449,699.14/25,661.06
  6. Step 6: Final answer
    x = 16,306.80

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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.