Home / 28,792.30-43,173.77-21,610.91

Finding the Fourth Proportional to 28,792.30, 43,173.77 and 21,610.91

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Solution

The fourth proportional to 28,792.30, 43,173.77 and 21,610.91 is: 32,405.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,792.30 : 43,173.77 = 21,610.91 : x
  2. Step 2: Convert to fraction form
    28,792.30/43,173.77 = 21,610.91/x
  3. Step 3: Cross multiply
    28,792.30x = 43,173.77 × 21,610.91
  4. Step 4: Simplify right side
    28,792.30x = 933,024,457.83
  5. Step 5: Solve for x
    x = 933,024,457.83/28,792.30
  6. Step 6: Final answer
    x = 32,405.35

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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.