Home / 43,328.04-59,755.26-28,215

Finding the Fourth Proportional to 43,328.04, 59,755.26 and 28,215

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Solution

The fourth proportional to 43,328.04, 59,755.26 and 28,215 is: 38,912.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,328.04 : 59,755.26 = 28,215 : x
  2. Step 2: Convert to fraction form
    43,328.04/59,755.26 = 28,215/x
  3. Step 3: Cross multiply
    43,328.04x = 59,755.26 × 28,215
  4. Step 4: Simplify right side
    43,328.04x = 1,685,994,660.90
  5. Step 5: Solve for x
    x = 1,685,994,660.90/43,328.04
  6. Step 6: Final answer
    x = 38,912.32

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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.