Home / 40,677.84-60,906.63-28,782.72

Finding the Fourth Proportional to 40,677.84, 60,906.63 and 28,782.72

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Solution

The fourth proportional to 40,677.84, 60,906.63 and 28,782.72 is: 43,096.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,677.84 : 60,906.63 = 28,782.72 : x
  2. Step 2: Convert to fraction form
    40,677.84/60,906.63 = 28,782.72/x
  3. Step 3: Cross multiply
    40,677.84x = 60,906.63 × 28,782.72
  4. Step 4: Simplify right side
    40,677.84x = 1,753,058,477.43
  5. Step 5: Solve for x
    x = 1,753,058,477.43/40,677.84
  6. Step 6: Final answer
    x = 43,096.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.