Home / 26,625.90-39,938.94-12,581.40

Finding the Fourth Proportional to 26,625.90, 39,938.94 and 12,581.40

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Solution

The fourth proportional to 26,625.90, 39,938.94 and 12,581.40 is: 18,872.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,625.90 : 39,938.94 = 12,581.40 : x
  2. Step 2: Convert to fraction form
    26,625.90/39,938.94 = 12,581.40/x
  3. Step 3: Cross multiply
    26,625.90x = 39,938.94 × 12,581.40
  4. Step 4: Simplify right side
    26,625.90x = 502,487,779.72
  5. Step 5: Solve for x
    x = 502,487,779.72/26,625.90
  6. Step 6: Final answer
    x = 18,872.14

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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.