Home / 27,723.65-38,258.63-15,148.40

Finding the Fourth Proportional to 27,723.65, 38,258.63 and 15,148.40

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Solution

The fourth proportional to 27,723.65, 38,258.63 and 15,148.40 is: 20,904.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,723.65 : 38,258.63 = 15,148.40 : x
  2. Step 2: Convert to fraction form
    27,723.65/38,258.63 = 15,148.40/x
  3. Step 3: Cross multiply
    27,723.65x = 38,258.63 × 15,148.40
  4. Step 4: Simplify right side
    27,723.65x = 579,557,030.69
  5. Step 5: Solve for x
    x = 579,557,030.69/27,723.65
  6. Step 6: Final answer
    x = 20,904.79

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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.