Home / 26,754.99-36,920.64-15,426.51

Finding the Fourth Proportional to 26,754.99, 36,920.64 and 15,426.51

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Solution

The fourth proportional to 26,754.99, 36,920.64 and 15,426.51 is: 21,287.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,754.99 : 36,920.64 = 15,426.51 : x
  2. Step 2: Convert to fraction form
    26,754.99/36,920.64 = 15,426.51/x
  3. Step 3: Cross multiply
    26,754.99x = 36,920.64 × 15,426.51
  4. Step 4: Simplify right side
    26,754.99x = 569,556,622.17
  5. Step 5: Solve for x
    x = 569,556,622.17/26,754.99
  6. Step 6: Final answer
    x = 21,287.87

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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.