Home / 27,746.65-38,294.67-21,823.22

Finding the Fourth Proportional to 27,746.65, 38,294.67 and 21,823.22

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Solution

The fourth proportional to 27,746.65, 38,294.67 and 21,823.22 is: 30,119.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,746.65 : 38,294.67 = 21,823.22 : x
  2. Step 2: Convert to fraction form
    27,746.65/38,294.67 = 21,823.22/x
  3. Step 3: Cross multiply
    27,746.65x = 38,294.67 × 21,823.22
  4. Step 4: Simplify right side
    27,746.65x = 835,713,185.81
  5. Step 5: Solve for x
    x = 835,713,185.81/27,746.65
  6. Step 6: Final answer
    x = 30,119.43

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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.