Home / 25,427.42-38,131.77-8,783.18

Finding the Fourth Proportional to 25,427.42, 38,131.77 and 8,783.18

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Solution

The fourth proportional to 25,427.42, 38,131.77 and 8,783.18 is: 13,171.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,427.42 : 38,131.77 = 8,783.18 : x
  2. Step 2: Convert to fraction form
    25,427.42/38,131.77 = 8,783.18/x
  3. Step 3: Cross multiply
    25,427.42x = 38,131.77 × 8,783.18
  4. Step 4: Simplify right side
    25,427.42x = 334,918,199.63
  5. Step 5: Solve for x
    x = 334,918,199.63/25,427.42
  6. Step 6: Final answer
    x = 13,171.54

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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.