Home / 72,264.02-108,393.43-18,955.58

Finding the Fourth Proportional to 72,264.02, 108,393.43 and 18,955.58

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Solution

The fourth proportional to 72,264.02, 108,393.43 and 18,955.58 is: 28,432.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,264.02 : 108,393.43 = 18,955.58 : x
  2. Step 2: Convert to fraction form
    72,264.02/108,393.43 = 18,955.58/x
  3. Step 3: Cross multiply
    72,264.02x = 108,393.43 × 18,955.58
  4. Step 4: Simplify right side
    72,264.02x = 2,054,660,333.84
  5. Step 5: Solve for x
    x = 2,054,660,333.84/72,264.02
  6. Step 6: Final answer
    x = 28,432.69

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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.