Home / 28,126.94-42,169.58-17,031.02

Finding the Fourth Proportional to 28,126.94, 42,169.58 and 17,031.02

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Solution

The fourth proportional to 28,126.94, 42,169.58 and 17,031.02 is: 25,533.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,126.94 : 42,169.58 = 17,031.02 : x
  2. Step 2: Convert to fraction form
    28,126.94/42,169.58 = 17,031.02/x
  3. Step 3: Cross multiply
    28,126.94x = 42,169.58 × 17,031.02
  4. Step 4: Simplify right side
    28,126.94x = 718,190,960.37
  5. Step 5: Solve for x
    x = 718,190,960.37/28,126.94
  6. Step 6: Final answer
    x = 25,533.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.