Home / 27,948.36-38,569.05-15,201.54

Finding the Fourth Proportional to 27,948.36, 38,569.05 and 15,201.54

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Solution

The fourth proportional to 27,948.36, 38,569.05 and 15,201.54 is: 20,978.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,948.36 : 38,569.05 = 15,201.54 : x
  2. Step 2: Convert to fraction form
    27,948.36/38,569.05 = 15,201.54/x
  3. Step 3: Cross multiply
    27,948.36x = 38,569.05 × 15,201.54
  4. Step 4: Simplify right side
    27,948.36x = 586,308,956.34
  5. Step 5: Solve for x
    x = 586,308,956.34/27,948.36
  6. Step 6: Final answer
    x = 20,978.30

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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.