Home / 27,300.80-40,885.58-15,578.48

Finding the Fourth Proportional to 27,300.80, 40,885.58 and 15,578.48

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Solution

The fourth proportional to 27,300.80, 40,885.58 and 15,578.48 is: 23,330.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,300.80 : 40,885.58 = 15,578.48 : x
  2. Step 2: Convert to fraction form
    27,300.80/40,885.58 = 15,578.48/x
  3. Step 3: Cross multiply
    27,300.80x = 40,885.58 × 15,578.48
  4. Step 4: Simplify right side
    27,300.80x = 636,935,190.32
  5. Step 5: Solve for x
    x = 636,935,190.32/27,300.80
  6. Step 6: Final answer
    x = 23,330.28

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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.