Home / 25,356.26-37,987.74-12,885.23

Finding the Fourth Proportional to 25,356.26, 37,987.74 and 12,885.23

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Solution

The fourth proportional to 25,356.26, 37,987.74 and 12,885.23 is: 19,304.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,356.26 : 37,987.74 = 12,885.23 : x
  2. Step 2: Convert to fraction form
    25,356.26/37,987.74 = 12,885.23/x
  3. Step 3: Cross multiply
    25,356.26x = 37,987.74 × 12,885.23
  4. Step 4: Simplify right side
    25,356.26x = 489,480,577.14
  5. Step 5: Solve for x
    x = 489,480,577.14/25,356.26
  6. Step 6: Final answer
    x = 19,304.14

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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.