Home / 25,361.43-34,987.77-15,284.15

Finding the Fourth Proportional to 25,361.43, 34,987.77 and 15,284.15

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Solution

The fourth proportional to 25,361.43, 34,987.77 and 15,284.15 is: 21,085.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,361.43 : 34,987.77 = 15,284.15 : x
  2. Step 2: Convert to fraction form
    25,361.43/34,987.77 = 15,284.15/x
  3. Step 3: Cross multiply
    25,361.43x = 34,987.77 × 15,284.15
  4. Step 4: Simplify right side
    25,361.43x = 534,758,149.91
  5. Step 5: Solve for x
    x = 534,758,149.91/25,361.43
  6. Step 6: Final answer
    x = 21,085.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.