Home / 26,407.89-39,603.20-12,363.57

Finding the Fourth Proportional to 26,407.89, 39,603.20 and 12,363.57

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Solution

The fourth proportional to 26,407.89, 39,603.20 and 12,363.57 is: 18,541.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,407.89 : 39,603.20 = 12,363.57 : x
  2. Step 2: Convert to fraction form
    26,407.89/39,603.20 = 12,363.57/x
  3. Step 3: Cross multiply
    26,407.89x = 39,603.20 × 12,363.57
  4. Step 4: Simplify right side
    26,407.89x = 489,636,873.61
  5. Step 5: Solve for x
    x = 489,636,873.61/26,407.89
  6. Step 6: Final answer
    x = 18,541.31

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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.