Home / 28,339.23-42,489.63-15,867.84

Finding the Fourth Proportional to 28,339.23, 42,489.63 and 15,867.84

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Solution

The fourth proportional to 28,339.23, 42,489.63 and 15,867.84 is: 23,791.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,339.23 : 42,489.63 = 15,867.84 : x
  2. Step 2: Convert to fraction form
    28,339.23/42,489.63 = 15,867.84/x
  3. Step 3: Cross multiply
    28,339.23x = 42,489.63 × 15,867.84
  4. Step 4: Simplify right side
    28,339.23x = 674,218,650.50
  5. Step 5: Solve for x
    x = 674,218,650.50/28,339.23
  6. Step 6: Final answer
    x = 23,791.00

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1.5x scale

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.