Home / 27,784.59-38,340.03-15,844.77

Finding the Fourth Proportional to 27,784.59, 38,340.03 and 15,844.77

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Solution

The fourth proportional to 27,784.59, 38,340.03 and 15,844.77 is: 21,864.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,784.59 : 38,340.03 = 15,844.77 : x
  2. Step 2: Convert to fraction form
    27,784.59/38,340.03 = 15,844.77/x
  3. Step 3: Cross multiply
    27,784.59x = 38,340.03 × 15,844.77
  4. Step 4: Simplify right side
    27,784.59x = 607,488,957.14
  5. Step 5: Solve for x
    x = 607,488,957.14/27,784.59
  6. Step 6: Final answer
    x = 21,864.24

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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.