Home / 25,841.80-35,665.57-15,776.09

Finding the Fourth Proportional to 25,841.80, 35,665.57 and 15,776.09

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Solution

The fourth proportional to 25,841.80, 35,665.57 and 15,776.09 is: 21,773.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,841.80 : 35,665.57 = 15,776.09 : x
  2. Step 2: Convert to fraction form
    25,841.80/35,665.57 = 15,776.09/x
  3. Step 3: Cross multiply
    25,841.80x = 35,665.57 × 15,776.09
  4. Step 4: Simplify right side
    25,841.80x = 562,663,242.22
  5. Step 5: Solve for x
    x = 562,663,242.22/25,841.80
  6. Step 6: Final answer
    x = 21,773.38

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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.