Home / 27,946.72-38,565.84-15,371.68

Finding the Fourth Proportional to 27,946.72, 38,565.84 and 15,371.68

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Solution

The fourth proportional to 27,946.72, 38,565.84 and 15,371.68 is: 21,212.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,946.72 : 38,565.84 = 15,371.68 : x
  2. Step 2: Convert to fraction form
    27,946.72/38,565.84 = 15,371.68/x
  3. Step 3: Cross multiply
    27,946.72x = 38,565.84 × 15,371.68
  4. Step 4: Simplify right side
    27,946.72x = 592,821,751.41
  5. Step 5: Solve for x
    x = 592,821,751.41/27,946.72
  6. Step 6: Final answer
    x = 21,212.57

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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.