Home / 28,981.64-43,443.05-16,475.82

Finding the Fourth Proportional to 28,981.64, 43,443.05 and 16,475.82

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Solution

The fourth proportional to 28,981.64, 43,443.05 and 16,475.82 is: 24,697.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,981.64 : 43,443.05 = 16,475.82 : x
  2. Step 2: Convert to fraction form
    28,981.64/43,443.05 = 16,475.82/x
  3. Step 3: Cross multiply
    28,981.64x = 43,443.05 × 16,475.82
  4. Step 4: Simplify right side
    28,981.64x = 715,759,789.67
  5. Step 5: Solve for x
    x = 715,759,789.67/28,981.64
  6. Step 6: Final answer
    x = 24,697.01

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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.