Home / 25,383.16-35,012.52-20,359.45

Finding the Fourth Proportional to 25,383.16, 35,012.52 and 20,359.45

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Solution

The fourth proportional to 25,383.16, 35,012.52 and 20,359.45 is: 28,083.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,383.16 : 35,012.52 = 20,359.45 : x
  2. Step 2: Convert to fraction form
    25,383.16/35,012.52 = 20,359.45/x
  3. Step 3: Cross multiply
    25,383.16x = 35,012.52 × 20,359.45
  4. Step 4: Simplify right side
    25,383.16x = 712,835,650.31
  5. Step 5: Solve for x
    x = 712,835,650.31/25,383.16
  6. Step 6: Final answer
    x = 28,083.01

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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.