Home / 27,221.10-37,569.18-16,616.89

Finding the Fourth Proportional to 27,221.10, 37,569.18 and 16,616.89

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Solution

The fourth proportional to 27,221.10, 37,569.18 and 16,616.89 is: 22,933.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,221.10 : 37,569.18 = 16,616.89 : x
  2. Step 2: Convert to fraction form
    27,221.10/37,569.18 = 16,616.89/x
  3. Step 3: Cross multiply
    27,221.10x = 37,569.18 × 16,616.89
  4. Step 4: Simplify right side
    27,221.10x = 624,282,931.45
  5. Step 5: Solve for x
    x = 624,282,931.45/27,221.10
  6. Step 6: Final answer
    x = 22,933.79

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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.