Home / 26,915.07-40,374.42-9,147.51

Finding the Fourth Proportional to 26,915.07, 40,374.42 and 9,147.51

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Solution

The fourth proportional to 26,915.07, 40,374.42 and 9,147.51 is: 13,721.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,915.07 : 40,374.42 = 9,147.51 : x
  2. Step 2: Convert to fraction form
    26,915.07/40,374.42 = 9,147.51/x
  3. Step 3: Cross multiply
    26,915.07x = 40,374.42 × 9,147.51
  4. Step 4: Simplify right side
    26,915.07x = 369,325,410.69
  5. Step 5: Solve for x
    x = 369,325,410.69/26,915.07
  6. Step 6: Final answer
    x = 13,721.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.