Home / 27,606.40-38,096.60-15,031.12

Finding the Fourth Proportional to 27,606.40, 38,096.60 and 15,031.12

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Solution

The fourth proportional to 27,606.40, 38,096.60 and 15,031.12 is: 20,742.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,606.40 : 38,096.60 = 15,031.12 : x
  2. Step 2: Convert to fraction form
    27,606.40/38,096.60 = 15,031.12/x
  3. Step 3: Cross multiply
    27,606.40x = 38,096.60 × 15,031.12
  4. Step 4: Simplify right side
    27,606.40x = 572,634,566.19
  5. Step 5: Solve for x
    x = 572,634,566.19/27,606.40
  6. Step 6: Final answer
    x = 20,742.82

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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.