Home / 27,275.58-37,640.79-15,946.02

Finding the Fourth Proportional to 27,275.58, 37,640.79 and 15,946.02

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Solution

The fourth proportional to 27,275.58, 37,640.79 and 15,946.02 is: 22,005.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,275.58 : 37,640.79 = 15,946.02 : x
  2. Step 2: Convert to fraction form
    27,275.58/37,640.79 = 15,946.02/x
  3. Step 3: Cross multiply
    27,275.58x = 37,640.79 × 15,946.02
  4. Step 4: Simplify right side
    27,275.58x = 600,220,790.16
  5. Step 5: Solve for x
    x = 600,220,790.16/27,275.58
  6. Step 6: Final answer
    x = 22,005.79

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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.