Home / 28,444.66-39,253.29-15,697.95

Finding the Fourth Proportional to 28,444.66, 39,253.29 and 15,697.95

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Solution

The fourth proportional to 28,444.66, 39,253.29 and 15,697.95 is: 21,662.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,444.66 : 39,253.29 = 15,697.95 : x
  2. Step 2: Convert to fraction form
    28,444.66/39,253.29 = 15,697.95/x
  3. Step 3: Cross multiply
    28,444.66x = 39,253.29 × 15,697.95
  4. Step 4: Simplify right side
    28,444.66x = 616,196,183.76
  5. Step 5: Solve for x
    x = 616,196,183.76/28,444.66
  6. Step 6: Final answer
    x = 21,662.98

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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.