Home / 40,728.12-56,204.80-22,823.28

Finding the Fourth Proportional to 40,728.12, 56,204.80 and 22,823.28

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Solution

The fourth proportional to 40,728.12, 56,204.80 and 22,823.28 is: 31,496.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,728.12 : 56,204.80 = 22,823.28 : x
  2. Step 2: Convert to fraction form
    40,728.12/56,204.80 = 22,823.28/x
  3. Step 3: Cross multiply
    40,728.12x = 56,204.80 × 22,823.28
  4. Step 4: Simplify right side
    40,728.12x = 1,282,777,887.74
  5. Step 5: Solve for x
    x = 1,282,777,887.74/40,728.12
  6. Step 6: Final answer
    x = 31,496.12

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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.