Home / 27,847.26-38,429.64-15,271.74

Finding the Fourth Proportional to 27,847.26, 38,429.64 and 15,271.74

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Solution

The fourth proportional to 27,847.26, 38,429.64 and 15,271.74 is: 21,075.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,847.26 : 38,429.64 = 15,271.74 : x
  2. Step 2: Convert to fraction form
    27,847.26/38,429.64 = 15,271.74/x
  3. Step 3: Cross multiply
    27,847.26x = 38,429.64 × 15,271.74
  4. Step 4: Simplify right side
    27,847.26x = 586,887,470.37
  5. Step 5: Solve for x
    x = 586,887,470.37/27,847.26
  6. Step 6: Final answer
    x = 21,075.23

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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.