Home / 25,991.90-38,987.49-6,270.29

Finding the Fourth Proportional to 25,991.90, 38,987.49 and 6,270.29

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Solution

The fourth proportional to 25,991.90, 38,987.49 and 6,270.29 is: 9,405.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,991.90 : 38,987.49 = 6,270.29 : x
  2. Step 2: Convert to fraction form
    25,991.90/38,987.49 = 6,270.29/x
  3. Step 3: Cross multiply
    25,991.90x = 38,987.49 × 6,270.29
  4. Step 4: Simplify right side
    25,991.90x = 244,462,868.67
  5. Step 5: Solve for x
    x = 244,462,868.67/25,991.90
  6. Step 6: Final answer
    x = 9,405.35

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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.