Home / 26,390.08-39,585.62-12,342.34

Finding the Fourth Proportional to 26,390.08, 39,585.62 and 12,342.34

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Solution

The fourth proportional to 26,390.08, 39,585.62 and 12,342.34 is: 18,513.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,390.08 : 39,585.62 = 12,342.34 : x
  2. Step 2: Convert to fraction form
    26,390.08/39,585.62 = 12,342.34/x
  3. Step 3: Cross multiply
    26,390.08x = 39,585.62 × 12,342.34
  4. Step 4: Simplify right side
    26,390.08x = 488,579,181.15
  5. Step 5: Solve for x
    x = 488,579,181.15/26,390.08
  6. Step 6: Final answer
    x = 18,513.74

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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.