Home / 35,228.79-48,613.31-20,887.89

Finding the Fourth Proportional to 35,228.79, 48,613.31 and 20,887.89

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Solution

The fourth proportional to 35,228.79, 48,613.31 and 20,887.89 is: 28,823.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,228.79 : 48,613.31 = 20,887.89 : x
  2. Step 2: Convert to fraction form
    35,228.79/48,613.31 = 20,887.89/x
  3. Step 3: Cross multiply
    35,228.79x = 48,613.31 × 20,887.89
  4. Step 4: Simplify right side
    35,228.79x = 1,015,429,367.38
  5. Step 5: Solve for x
    x = 1,015,429,367.38/35,228.79
  6. Step 6: Final answer
    x = 28,823.85

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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.