Home / 26,981.82-37,235.16-15,045.12

Finding the Fourth Proportional to 26,981.82, 37,235.16 and 15,045.12

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Solution

The fourth proportional to 26,981.82, 37,235.16 and 15,045.12 is: 20,762.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,981.82 : 37,235.16 = 15,045.12 : x
  2. Step 2: Convert to fraction form
    26,981.82/37,235.16 = 15,045.12/x
  3. Step 3: Cross multiply
    26,981.82x = 37,235.16 × 15,045.12
  4. Step 4: Simplify right side
    26,981.82x = 560,207,450.42
  5. Step 5: Solve for x
    x = 560,207,450.42/26,981.82
  6. Step 6: Final answer
    x = 20,762.40

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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.