Home / 19,530.72-26,952.39-10,578.15

Finding the Fourth Proportional to 19,530.72, 26,952.39 and 10,578.15

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Solution

The fourth proportional to 19,530.72, 26,952.39 and 10,578.15 is: 14,597.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,530.72 : 26,952.39 = 10,578.15 : x
  2. Step 2: Convert to fraction form
    19,530.72/26,952.39 = 10,578.15/x
  3. Step 3: Cross multiply
    19,530.72x = 26,952.39 × 10,578.15
  4. Step 4: Simplify right side
    19,530.72x = 285,106,424.28
  5. Step 5: Solve for x
    x = 285,106,424.28/19,530.72
  6. Step 6: Final answer
    x = 14,597.85

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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.