Home / 20,446.35-28,237.37-14,089.47

Finding the Fourth Proportional to 20,446.35, 28,237.37 and 14,089.47

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Solution

The fourth proportional to 20,446.35, 28,237.37 and 14,089.47 is: 19,458.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,446.35 : 28,237.37 = 14,089.47 : x
  2. Step 2: Convert to fraction form
    20,446.35/28,237.37 = 14,089.47/x
  3. Step 3: Cross multiply
    20,446.35x = 28,237.37 × 14,089.47
  4. Step 4: Simplify right side
    20,446.35x = 397,849,577.49
  5. Step 5: Solve for x
    x = 397,849,577.49/20,446.35
  6. Step 6: Final answer
    x = 19,458.22

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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.