Home / 26,556.39-36,639.55-15,069.40

Finding the Fourth Proportional to 26,556.39, 36,639.55 and 15,069.40

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Solution

The fourth proportional to 26,556.39, 36,639.55 and 15,069.40 is: 20,791.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,556.39 : 36,639.55 = 15,069.40 : x
  2. Step 2: Convert to fraction form
    26,556.39/36,639.55 = 15,069.40/x
  3. Step 3: Cross multiply
    26,556.39x = 36,639.55 × 15,069.40
  4. Step 4: Simplify right side
    26,556.39x = 552,136,034.77
  5. Step 5: Solve for x
    x = 552,136,034.77/26,556.39
  6. Step 6: Final answer
    x = 20,791.08

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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.