Home / 27,631.10-38,128.64-16,301.08

Finding the Fourth Proportional to 27,631.10, 38,128.64 and 16,301.08

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Solution

The fourth proportional to 27,631.10, 38,128.64 and 16,301.08 is: 22,494.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,631.10 : 38,128.64 = 16,301.08 : x
  2. Step 2: Convert to fraction form
    27,631.10/38,128.64 = 16,301.08/x
  3. Step 3: Cross multiply
    27,631.10x = 38,128.64 × 16,301.08
  4. Step 4: Simplify right side
    27,631.10x = 621,537,956.36
  5. Step 5: Solve for x
    x = 621,537,956.36/27,631.10
  6. Step 6: Final answer
    x = 22,494.14

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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.