Home / 25,408.25-35,051.88-15,333.47

Finding the Fourth Proportional to 25,408.25, 35,051.88 and 15,333.47

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Solution

The fourth proportional to 25,408.25, 35,051.88 and 15,333.47 is: 21,153.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,408.25 : 35,051.88 = 15,333.47 : x
  2. Step 2: Convert to fraction form
    25,408.25/35,051.88 = 15,333.47/x
  3. Step 3: Cross multiply
    25,408.25x = 35,051.88 × 15,333.47
  4. Step 4: Simplify right side
    25,408.25x = 537,466,775.16
  5. Step 5: Solve for x
    x = 537,466,775.16/25,408.25
  6. Step 6: Final answer
    x = 21,153.24

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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.