Home / 25,837.12-35,658-15,771.52

Finding the Fourth Proportional to 25,837.12, 35,658 and 15,771.52

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Solution

The fourth proportional to 25,837.12, 35,658 and 15,771.52 is: 21,766.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,837.12 : 35,658 = 15,771.52 : x
  2. Step 2: Convert to fraction form
    25,837.12/35,658 = 15,771.52/x
  3. Step 3: Cross multiply
    25,837.12x = 35,658 × 15,771.52
  4. Step 4: Simplify right side
    25,837.12x = 562,380,860.16
  5. Step 5: Solve for x
    x = 562,380,860.16/25,837.12
  6. Step 6: Final answer
    x = 21,766.39

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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.