Home / 27,021.90-40,538.84-10,381.93

Finding the Fourth Proportional to 27,021.90, 40,538.84 and 10,381.93

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Solution

The fourth proportional to 27,021.90, 40,538.84 and 10,381.93 is: 15,575.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,021.90 : 40,538.84 = 10,381.93 : x
  2. Step 2: Convert to fraction form
    27,021.90/40,538.84 = 10,381.93/x
  3. Step 3: Cross multiply
    27,021.90x = 40,538.84 × 10,381.93
  4. Step 4: Simplify right side
    27,021.90x = 420,871,399.16
  5. Step 5: Solve for x
    x = 420,871,399.16/27,021.90
  6. Step 6: Final answer
    x = 15,575.20

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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.