Home / 25,748.60-38,556.30-21,578.60

Finding the Fourth Proportional to 25,748.60, 38,556.30 and 21,578.60

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Solution

The fourth proportional to 25,748.60, 38,556.30 and 21,578.60 is: 32,312.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,748.60 : 38,556.30 = 21,578.60 : x
  2. Step 2: Convert to fraction form
    25,748.60/38,556.30 = 21,578.60/x
  3. Step 3: Cross multiply
    25,748.60x = 38,556.30 × 21,578.60
  4. Step 4: Simplify right side
    25,748.60x = 831,990,975.18
  5. Step 5: Solve for x
    x = 831,990,975.18/25,748.60
  6. Step 6: Final answer
    x = 32,312.09

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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.