Home / 26,228.10-39,246.15-19,316.10

Finding the Fourth Proportional to 26,228.10, 39,246.15 and 19,316.10

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Solution

The fourth proportional to 26,228.10, 39,246.15 and 19,316.10 is: 28,903.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,228.10 : 39,246.15 = 19,316.10 : x
  2. Step 2: Convert to fraction form
    26,228.10/39,246.15 = 19,316.10/x
  3. Step 3: Cross multiply
    26,228.10x = 39,246.15 × 19,316.10
  4. Step 4: Simplify right side
    26,228.10x = 758,082,558.02
  5. Step 5: Solve for x
    x = 758,082,558.02/26,228.10
  6. Step 6: Final answer
    x = 28,903.45

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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.