Home / 27,847.56-38,429.52-15,272.28

Finding the Fourth Proportional to 27,847.56, 38,429.52 and 15,272.28

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Solution

The fourth proportional to 27,847.56, 38,429.52 and 15,272.28 is: 21,075.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,847.56 : 38,429.52 = 15,272.28 : x
  2. Step 2: Convert to fraction form
    27,847.56/38,429.52 = 15,272.28/x
  3. Step 3: Cross multiply
    27,847.56x = 38,429.52 × 15,272.28
  4. Step 4: Simplify right side
    27,847.56x = 586,906,389.71
  5. Step 5: Solve for x
    x = 586,906,389.71/27,847.56
  6. Step 6: Final answer
    x = 21,075.68

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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.