Home / 26,708.84-36,860.96-15,378.72

Finding the Fourth Proportional to 26,708.84, 36,860.96 and 15,378.72

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Solution

The fourth proportional to 26,708.84, 36,860.96 and 15,378.72 is: 21,224.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,708.84 : 36,860.96 = 15,378.72 : x
  2. Step 2: Convert to fraction form
    26,708.84/36,860.96 = 15,378.72/x
  3. Step 3: Cross multiply
    26,708.84x = 36,860.96 × 15,378.72
  4. Step 4: Simplify right side
    26,708.84x = 566,874,382.77
  5. Step 5: Solve for x
    x = 566,874,382.77/26,708.84
  6. Step 6: Final answer
    x = 21,224.22

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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.