Home / 20,458.74-28,110.71-16,259.70

Finding the Fourth Proportional to 20,458.74, 28,110.71 and 16,259.70

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Solution

The fourth proportional to 20,458.74, 28,110.71 and 16,259.70 is: 22,341.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,458.74 : 28,110.71 = 16,259.70 : x
  2. Step 2: Convert to fraction form
    20,458.74/28,110.71 = 16,259.70/x
  3. Step 3: Cross multiply
    20,458.74x = 28,110.71 × 16,259.70
  4. Step 4: Simplify right side
    20,458.74x = 457,071,711.39
  5. Step 5: Solve for x
    x = 457,071,711.39/20,458.74
  6. Step 6: Final answer
    x = 22,341.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.