Home / 43,457.83-59,972.66-28,360.15

Finding the Fourth Proportional to 43,457.83, 59,972.66 and 28,360.15

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Solution

The fourth proportional to 43,457.83, 59,972.66 and 28,360.15 is: 39,137.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,457.83 : 59,972.66 = 28,360.15 : x
  2. Step 2: Convert to fraction form
    43,457.83/59,972.66 = 28,360.15/x
  3. Step 3: Cross multiply
    43,457.83x = 59,972.66 × 28,360.15
  4. Step 4: Simplify right side
    43,457.83x = 1,700,833,633.50
  5. Step 5: Solve for x
    x = 1,700,833,633.50/43,457.83
  6. Step 6: Final answer
    x = 39,137.56

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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.