Home / 27,746.68-38,291.10-15,172.36

Finding the Fourth Proportional to 27,746.68, 38,291.10 and 15,172.36

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Solution

The fourth proportional to 27,746.68, 38,291.10 and 15,172.36 is: 20,938.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,746.68 : 38,291.10 = 15,172.36 : x
  2. Step 2: Convert to fraction form
    27,746.68/38,291.10 = 15,172.36/x
  3. Step 3: Cross multiply
    27,746.68x = 38,291.10 × 15,172.36
  4. Step 4: Simplify right side
    27,746.68x = 580,966,354.00
  5. Step 5: Solve for x
    x = 580,966,354.00/27,746.68
  6. Step 6: Final answer
    x = 20,938.23

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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.