Home / 15,869.77-22,000.55-15,027.12

Finding the Fourth Proportional to 15,869.77, 22,000.55 and 15,027.12

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Solution

The fourth proportional to 15,869.77, 22,000.55 and 15,027.12 is: 20,832.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,869.77 : 22,000.55 = 15,027.12 : x
  2. Step 2: Convert to fraction form
    15,869.77/22,000.55 = 15,027.12/x
  3. Step 3: Cross multiply
    15,869.77x = 22,000.55 × 15,027.12
  4. Step 4: Simplify right side
    15,869.77x = 330,604,893.18
  5. Step 5: Solve for x
    x = 330,604,893.18/15,869.77
  6. Step 6: Final answer
    x = 20,832.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.