Home / 19,330.02-28,994.76-5,479.02

Finding the Fourth Proportional to 19,330.02, 28,994.76 and 5,479.02

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Solution

The fourth proportional to 19,330.02, 28,994.76 and 5,479.02 is: 8,218.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,330.02 : 28,994.76 = 5,479.02 : x
  2. Step 2: Convert to fraction form
    19,330.02/28,994.76 = 5,479.02/x
  3. Step 3: Cross multiply
    19,330.02x = 28,994.76 × 5,479.02
  4. Step 4: Simplify right side
    19,330.02x = 158,862,869.94
  5. Step 5: Solve for x
    x = 158,862,869.94/19,330.02
  6. Step 6: Final answer
    x = 8,218.45

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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.