Home / 28,716.02-43,095.10-18,851.84

Finding the Fourth Proportional to 28,716.02, 43,095.10 and 18,851.84

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Solution

The fourth proportional to 28,716.02, 43,095.10 and 18,851.84 is: 28,291.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,716.02 : 43,095.10 = 18,851.84 : x
  2. Step 2: Convert to fraction form
    28,716.02/43,095.10 = 18,851.84/x
  3. Step 3: Cross multiply
    28,716.02x = 43,095.10 × 18,851.84
  4. Step 4: Simplify right side
    28,716.02x = 812,421,929.98
  5. Step 5: Solve for x
    x = 812,421,929.98/28,716.02
  6. Step 6: Final answer
    x = 28,291.59

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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.