Home / 28,557.90-42,822.97-14,320.26

Finding the Fourth Proportional to 28,557.90, 42,822.97 and 14,320.26

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Solution

The fourth proportional to 28,557.90, 42,822.97 and 14,320.26 is: 21,473.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,557.90 : 42,822.97 = 14,320.26 : x
  2. Step 2: Convert to fraction form
    28,557.90/42,822.97 = 14,320.26/x
  3. Step 3: Cross multiply
    28,557.90x = 42,822.97 × 14,320.26
  4. Step 4: Simplify right side
    28,557.90x = 613,236,064.37
  5. Step 5: Solve for x
    x = 613,236,064.37/28,557.90
  6. Step 6: Final answer
    x = 21,473.43

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1.5x scale

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.