Home / 27,946.92-38,565.96-15,371.67

Finding the Fourth Proportional to 27,946.92, 38,565.96 and 15,371.67

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Solution

The fourth proportional to 27,946.92, 38,565.96 and 15,371.67 is: 21,212.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,946.92 : 38,565.96 = 15,371.67 : x
  2. Step 2: Convert to fraction form
    27,946.92/38,565.96 = 15,371.67/x
  3. Step 3: Cross multiply
    27,946.92x = 38,565.96 × 15,371.67
  4. Step 4: Simplify right side
    27,946.92x = 592,823,210.35
  5. Step 5: Solve for x
    x = 592,823,210.35/27,946.92
  6. Step 6: Final answer
    x = 21,212.47

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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.