Home / 25,386.48-34,999.74-20,832.48

Finding the Fourth Proportional to 25,386.48, 34,999.74 and 20,832.48

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Solution

The fourth proportional to 25,386.48, 34,999.74 and 20,832.48 is: 28,721.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,386.48 : 34,999.74 = 20,832.48 : x
  2. Step 2: Convert to fraction form
    25,386.48/34,999.74 = 20,832.48/x
  3. Step 3: Cross multiply
    25,386.48x = 34,999.74 × 20,832.48
  4. Step 4: Simplify right side
    25,386.48x = 729,131,383.56
  5. Step 5: Solve for x
    x = 729,131,383.56/25,386.48
  6. Step 6: Final answer
    x = 28,721.25

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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.