Home / 18,747.84-28,199.52-16,959.36

Finding the Fourth Proportional to 18,747.84, 28,199.52 and 16,959.36

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Solution

The fourth proportional to 18,747.84, 28,199.52 and 16,959.36 is: 25,509.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,747.84 : 28,199.52 = 16,959.36 : x
  2. Step 2: Convert to fraction form
    18,747.84/28,199.52 = 16,959.36/x
  3. Step 3: Cross multiply
    18,747.84x = 28,199.52 × 16,959.36
  4. Step 4: Simplify right side
    18,747.84x = 478,245,811.51
  5. Step 5: Solve for x
    x = 478,245,811.51/18,747.84
  6. Step 6: Final answer
    x = 25,509.38

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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.