Home / 20,444.16-28,240.64-16,023.68

Finding the Fourth Proportional to 20,444.16, 28,240.64 and 16,023.68

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Solution

The fourth proportional to 20,444.16, 28,240.64 and 16,023.68 is: 22,134.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,444.16 : 28,240.64 = 16,023.68 : x
  2. Step 2: Convert to fraction form
    20,444.16/28,240.64 = 16,023.68/x
  3. Step 3: Cross multiply
    20,444.16x = 28,240.64 × 16,023.68
  4. Step 4: Simplify right side
    20,444.16x = 452,518,978.36
  5. Step 5: Solve for x
    x = 452,518,978.36/20,444.16
  6. Step 6: Final answer
    x = 22,134.39

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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.