Home / 25,988.58-35,849.79-15,915.42

Finding the Fourth Proportional to 25,988.58, 35,849.79 and 15,915.42

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Solution

The fourth proportional to 25,988.58, 35,849.79 and 15,915.42 is: 21,954.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,988.58 : 35,849.79 = 15,915.42 : x
  2. Step 2: Convert to fraction form
    25,988.58/35,849.79 = 15,915.42/x
  3. Step 3: Cross multiply
    25,988.58x = 35,849.79 × 15,915.42
  4. Step 4: Simplify right side
    25,988.58x = 570,564,464.76
  5. Step 5: Solve for x
    x = 570,564,464.76/25,988.58
  6. Step 6: Final answer
    x = 21,954.43

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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.