Home / 28,324.02-39,086.64-15,748.50

Finding the Fourth Proportional to 28,324.02, 39,086.64 and 15,748.50

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Solution

The fourth proportional to 28,324.02, 39,086.64 and 15,748.50 is: 21,732.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,324.02 : 39,086.64 = 15,748.50 : x
  2. Step 2: Convert to fraction form
    28,324.02/39,086.64 = 15,748.50/x
  3. Step 3: Cross multiply
    28,324.02x = 39,086.64 × 15,748.50
  4. Step 4: Simplify right side
    28,324.02x = 615,555,950.04
  5. Step 5: Solve for x
    x = 615,555,950.04/28,324.02
  6. Step 6: Final answer
    x = 21,732.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.