Home / 26,428.83-39,637.19-15,758.21

Finding the Fourth Proportional to 26,428.83, 39,637.19 and 15,758.21

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Solution

The fourth proportional to 26,428.83, 39,637.19 and 15,758.21 is: 23,633.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,428.83 : 39,637.19 = 15,758.21 : x
  2. Step 2: Convert to fraction form
    26,428.83/39,637.19 = 15,758.21/x
  3. Step 3: Cross multiply
    26,428.83x = 39,637.19 × 15,758.21
  4. Step 4: Simplify right side
    26,428.83x = 624,610,886.85
  5. Step 5: Solve for x
    x = 624,610,886.85/26,428.83
  6. Step 6: Final answer
    x = 23,633.69

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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.