Home / 27,802.10-38,366.91-15,055.38

Finding the Fourth Proportional to 27,802.10, 38,366.91 and 15,055.38

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Solution

The fourth proportional to 27,802.10, 38,366.91 and 15,055.38 is: 20,776.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,802.10 : 38,366.91 = 15,055.38 : x
  2. Step 2: Convert to fraction form
    27,802.10/38,366.91 = 15,055.38/x
  3. Step 3: Cross multiply
    27,802.10x = 38,366.91 × 15,055.38
  4. Step 4: Simplify right side
    27,802.10x = 577,628,409.48
  5. Step 5: Solve for x
    x = 577,628,409.48/27,802.10
  6. Step 6: Final answer
    x = 20,776.43

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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.