Home / 21,511.14-32,237.55-15,985.32

Finding the Fourth Proportional to 21,511.14, 32,237.55 and 15,985.32

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Solution

The fourth proportional to 21,511.14, 32,237.55 and 15,985.32 is: 23,956.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,511.14 : 32,237.55 = 15,985.32 : x
  2. Step 2: Convert to fraction form
    21,511.14/32,237.55 = 15,985.32/x
  3. Step 3: Cross multiply
    21,511.14x = 32,237.55 × 15,985.32
  4. Step 4: Simplify right side
    21,511.14x = 515,327,552.77
  5. Step 5: Solve for x
    x = 515,327,552.77/21,511.14
  6. Step 6: Final answer
    x = 23,956.31

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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.