Home / 27,606.64-38,097.40-15,031.40

Finding the Fourth Proportional to 27,606.64, 38,097.40 and 15,031.40

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Solution

The fourth proportional to 27,606.64, 38,097.40 and 15,031.40 is: 20,743.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,606.64 : 38,097.40 = 15,031.40 : x
  2. Step 2: Convert to fraction form
    27,606.64/38,097.40 = 15,031.40/x
  3. Step 3: Cross multiply
    27,606.64x = 38,097.40 × 15,031.40
  4. Step 4: Simplify right side
    27,606.64x = 572,657,258.36
  5. Step 5: Solve for x
    x = 572,657,258.36/27,606.64
  6. Step 6: Final answer
    x = 20,743.46

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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.