Home / 27,723.83-38,258.86-15,148.58

Finding the Fourth Proportional to 27,723.83, 38,258.86 and 15,148.58

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Solution

The fourth proportional to 27,723.83, 38,258.86 and 15,148.58 is: 20,905.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,723.83 : 38,258.86 = 15,148.58 : x
  2. Step 2: Convert to fraction form
    27,723.83/38,258.86 = 15,148.58/x
  3. Step 3: Cross multiply
    27,723.83x = 38,258.86 × 15,148.58
  4. Step 4: Simplify right side
    27,723.83x = 579,567,325.68
  5. Step 5: Solve for x
    x = 579,567,325.68/27,723.83
  6. Step 6: Final answer
    x = 20,905.02

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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.