Home / 26,340.10-39,414.15-19,428.10

Finding the Fourth Proportional to 26,340.10, 39,414.15 and 19,428.10

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Solution

The fourth proportional to 26,340.10, 39,414.15 and 19,428.10 is: 29,071.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,340.10 : 39,414.15 = 19,428.10 : x
  2. Step 2: Convert to fraction form
    26,340.10/39,414.15 = 19,428.10/x
  3. Step 3: Cross multiply
    26,340.10x = 39,414.15 × 19,428.10
  4. Step 4: Simplify right side
    26,340.10x = 765,742,047.62
  5. Step 5: Solve for x
    x = 765,742,047.62/26,340.10
  6. Step 6: Final answer
    x = 29,071.34

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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.