Home / 21,688.60-32,544.88-10,595.36

Finding the Fourth Proportional to 21,688.60, 32,544.88 and 10,595.36

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Solution

The fourth proportional to 21,688.60, 32,544.88 and 10,595.36 is: 15,898.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,688.60 : 32,544.88 = 10,595.36 : x
  2. Step 2: Convert to fraction form
    21,688.60/32,544.88 = 10,595.36/x
  3. Step 3: Cross multiply
    21,688.60x = 32,544.88 × 10,595.36
  4. Step 4: Simplify right side
    21,688.60x = 344,824,719.76
  5. Step 5: Solve for x
    x = 344,824,719.76/21,688.60
  6. Step 6: Final answer
    x = 15,898.89

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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.