Home / 27,931.72-38,554.09-16,003.01

Finding the Fourth Proportional to 27,931.72, 38,554.09 and 16,003.01

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Solution

The fourth proportional to 27,931.72, 38,554.09 and 16,003.01 is: 22,088.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,931.72 : 38,554.09 = 16,003.01 : x
  2. Step 2: Convert to fraction form
    27,931.72/38,554.09 = 16,003.01/x
  3. Step 3: Cross multiply
    27,931.72x = 38,554.09 × 16,003.01
  4. Step 4: Simplify right side
    27,931.72x = 616,981,487.81
  5. Step 5: Solve for x
    x = 616,981,487.81/27,931.72
  6. Step 6: Final answer
    x = 22,088.92

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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.