Home / 27,847.14-38,429.01-15,271.86

Finding the Fourth Proportional to 27,847.14, 38,429.01 and 15,271.86

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Solution

The fourth proportional to 27,847.14, 38,429.01 and 15,271.86 is: 21,075.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,847.14 : 38,429.01 = 15,271.86 : x
  2. Step 2: Convert to fraction form
    27,847.14/38,429.01 = 15,271.86/x
  3. Step 3: Cross multiply
    27,847.14x = 38,429.01 × 15,271.86
  4. Step 4: Simplify right side
    27,847.14x = 586,882,460.66
  5. Step 5: Solve for x
    x = 586,882,460.66/27,847.14
  6. Step 6: Final answer
    x = 21,075.14

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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.