Home / 28,220.58-42,337.23-14,187.33

Finding the Fourth Proportional to 28,220.58, 42,337.23 and 14,187.33

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Solution

The fourth proportional to 28,220.58, 42,337.23 and 14,187.33 is: 21,284.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,220.58 : 42,337.23 = 14,187.33 : x
  2. Step 2: Convert to fraction form
    28,220.58/42,337.23 = 14,187.33/x
  3. Step 3: Cross multiply
    28,220.58x = 42,337.23 × 14,187.33
  4. Step 4: Simplify right side
    28,220.58x = 600,652,253.30
  5. Step 5: Solve for x
    x = 600,652,253.30/28,220.58
  6. Step 6: Final answer
    x = 21,284.19

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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.