Home / 26,442.87-36,489.74-15,113.40

Finding the Fourth Proportional to 26,442.87, 36,489.74 and 15,113.40

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Solution

The fourth proportional to 26,442.87, 36,489.74 and 15,113.40 is: 20,855.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,442.87 : 36,489.74 = 15,113.40 : x
  2. Step 2: Convert to fraction form
    26,442.87/36,489.74 = 15,113.40/x
  3. Step 3: Cross multiply
    26,442.87x = 36,489.74 × 15,113.40
  4. Step 4: Simplify right side
    26,442.87x = 551,483,960.95
  5. Step 5: Solve for x
    x = 551,483,960.95/26,442.87
  6. Step 6: Final answer
    x = 20,855.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.