Home / 27,597.10-38,082.90-15,021.86

Finding the Fourth Proportional to 27,597.10, 38,082.90 and 15,021.86

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Solution

The fourth proportional to 27,597.10, 38,082.90 and 15,021.86 is: 20,729.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,597.10 : 38,082.90 = 15,021.86 : x
  2. Step 2: Convert to fraction form
    27,597.10/38,082.90 = 15,021.86/x
  3. Step 3: Cross multiply
    27,597.10x = 38,082.90 × 15,021.86
  4. Step 4: Simplify right side
    27,597.10x = 572,075,992.19
  5. Step 5: Solve for x
    x = 572,075,992.19/27,597.10
  6. Step 6: Final answer
    x = 20,729.57

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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.