Home / 28,741.02-43,111.32-7,964.52

Finding the Fourth Proportional to 28,741.02, 43,111.32 and 7,964.52

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Solution

The fourth proportional to 28,741.02, 43,111.32 and 7,964.52 is: 11,946.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,741.02 : 43,111.32 = 7,964.52 : x
  2. Step 2: Convert to fraction form
    28,741.02/43,111.32 = 7,964.52/x
  3. Step 3: Cross multiply
    28,741.02x = 43,111.32 × 7,964.52
  4. Step 4: Simplify right side
    28,741.02x = 343,360,970.37
  5. Step 5: Solve for x
    x = 343,360,970.37/28,741.02
  6. Step 6: Final answer
    x = 11,946.72

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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.