Home / 28,336.60-42,717.13-26,433.64

Finding the Fourth Proportional to 28,336.60, 42,717.13 and 26,433.64

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Solution

The fourth proportional to 28,336.60, 42,717.13 and 26,433.64 is: 39,848.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,336.60 : 42,717.13 = 26,433.64 : x
  2. Step 2: Convert to fraction form
    28,336.60/42,717.13 = 26,433.64/x
  3. Step 3: Cross multiply
    28,336.60x = 42,717.13 × 26,433.64
  4. Step 4: Simplify right side
    28,336.60x = 1,129,169,236.25
  5. Step 5: Solve for x
    x = 1,129,169,236.25/28,336.60
  6. Step 6: Final answer
    x = 39,848.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.