Home / 27,723.81-38,258.90-15,148.56

Finding the Fourth Proportional to 27,723.81, 38,258.90 and 15,148.56

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Solution

The fourth proportional to 27,723.81, 38,258.90 and 15,148.56 is: 20,905.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,723.81 : 38,258.90 = 15,148.56 : x
  2. Step 2: Convert to fraction form
    27,723.81/38,258.90 = 15,148.56/x
  3. Step 3: Cross multiply
    27,723.81x = 38,258.90 × 15,148.56
  4. Step 4: Simplify right side
    27,723.81x = 579,567,242.18
  5. Step 5: Solve for x
    x = 579,567,242.18/27,723.81
  6. Step 6: Final answer
    x = 20,905.04

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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.