Home / 27,538.34-38,002.80-16,207.76

Finding the Fourth Proportional to 27,538.34, 38,002.80 and 16,207.76

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Solution

The fourth proportional to 27,538.34, 38,002.80 and 16,207.76 is: 22,366.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,538.34 : 38,002.80 = 16,207.76 : x
  2. Step 2: Convert to fraction form
    27,538.34/38,002.80 = 16,207.76/x
  3. Step 3: Cross multiply
    27,538.34x = 38,002.80 × 16,207.76
  4. Step 4: Simplify right side
    27,538.34x = 615,940,071.71
  5. Step 5: Solve for x
    x = 615,940,071.71/27,538.34
  6. Step 6: Final answer
    x = 22,366.64

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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.