Home / 26,258.31-39,389.43-7,538.19

Finding the Fourth Proportional to 26,258.31, 39,389.43 and 7,538.19

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Solution

The fourth proportional to 26,258.31, 39,389.43 and 7,538.19 is: 11,307.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,258.31 : 39,389.43 = 7,538.19 : x
  2. Step 2: Convert to fraction form
    26,258.31/39,389.43 = 7,538.19/x
  3. Step 3: Cross multiply
    26,258.31x = 39,389.43 × 7,538.19
  4. Step 4: Simplify right side
    26,258.31x = 296,925,007.33
  5. Step 5: Solve for x
    x = 296,925,007.33/26,258.31
  6. Step 6: Final answer
    x = 11,307.85

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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.