Home / 27,143.52-37,458.02-15,206.94

Finding the Fourth Proportional to 27,143.52, 37,458.02 and 15,206.94

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Solution

The fourth proportional to 27,143.52, 37,458.02 and 15,206.94 is: 20,985.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,143.52 : 37,458.02 = 15,206.94 : x
  2. Step 2: Convert to fraction form
    27,143.52/37,458.02 = 15,206.94/x
  3. Step 3: Cross multiply
    27,143.52x = 37,458.02 × 15,206.94
  4. Step 4: Simplify right side
    27,143.52x = 569,621,786.62
  5. Step 5: Solve for x
    x = 569,621,786.62/27,143.52
  6. Step 6: Final answer
    x = 20,985.55

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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.