Home / 27,840.27-41,756.16-9,122.25

Finding the Fourth Proportional to 27,840.27, 41,756.16 and 9,122.25

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Solution

The fourth proportional to 27,840.27, 41,756.16 and 9,122.25 is: 13,681.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,840.27 : 41,756.16 = 9,122.25 : x
  2. Step 2: Convert to fraction form
    27,840.27/41,756.16 = 9,122.25/x
  3. Step 3: Cross multiply
    27,840.27x = 41,756.16 × 9,122.25
  4. Step 4: Simplify right side
    27,840.27x = 380,910,130.56
  5. Step 5: Solve for x
    x = 380,910,130.56/27,840.27
  6. Step 6: Final answer
    x = 13,681.98

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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.