Home / 27,128.16-37,438.20-16,516.08

Finding the Fourth Proportional to 27,128.16, 37,438.20 and 16,516.08

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Solution

The fourth proportional to 27,128.16, 37,438.20 and 16,516.08 is: 22,793.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,128.16 : 37,438.20 = 16,516.08 : x
  2. Step 2: Convert to fraction form
    27,128.16/37,438.20 = 16,516.08/x
  3. Step 3: Cross multiply
    27,128.16x = 37,438.20 × 16,516.08
  4. Step 4: Simplify right side
    27,128.16x = 618,332,306.26
  5. Step 5: Solve for x
    x = 618,332,306.26/27,128.16
  6. Step 6: Final answer
    x = 22,793.01

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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.