Home / 27,945.54-38,564.85-15,370.26

Finding the Fourth Proportional to 27,945.54, 38,564.85 and 15,370.26

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Solution

The fourth proportional to 27,945.54, 38,564.85 and 15,370.26 is: 21,210.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,945.54 : 38,564.85 = 15,370.26 : x
  2. Step 2: Convert to fraction form
    27,945.54/38,564.85 = 15,370.26/x
  3. Step 3: Cross multiply
    27,945.54x = 38,564.85 × 15,370.26
  4. Step 4: Simplify right side
    27,945.54x = 592,751,771.36
  5. Step 5: Solve for x
    x = 592,751,771.36/27,945.54
  6. Step 6: Final answer
    x = 21,210.96

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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.