Home / 35,932.76-49,587.28-20,828.36

Finding the Fourth Proportional to 35,932.76, 49,587.28 and 20,828.36

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Solution

The fourth proportional to 35,932.76, 49,587.28 and 20,828.36 is: 28,743.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,932.76 : 49,587.28 = 20,828.36 : x
  2. Step 2: Convert to fraction form
    35,932.76/49,587.28 = 20,828.36/x
  3. Step 3: Cross multiply
    35,932.76x = 49,587.28 × 20,828.36
  4. Step 4: Simplify right side
    35,932.76x = 1,032,821,719.26
  5. Step 5: Solve for x
    x = 1,032,821,719.26/35,932.76
  6. Step 6: Final answer
    x = 28,743.18

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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.