Home / 25,968.78-38,987.76-17,563.53

Finding the Fourth Proportional to 25,968.78, 38,987.76 and 17,563.53

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Solution

The fourth proportional to 25,968.78, 38,987.76 and 17,563.53 is: 26,368.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,968.78 : 38,987.76 = 17,563.53 : x
  2. Step 2: Convert to fraction form
    25,968.78/38,987.76 = 17,563.53/x
  3. Step 3: Cross multiply
    25,968.78x = 38,987.76 × 17,563.53
  4. Step 4: Simplify right side
    25,968.78x = 684,762,692.39
  5. Step 5: Solve for x
    x = 684,762,692.39/25,968.78
  6. Step 6: Final answer
    x = 26,368.69

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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.