Home / 21,938.60-32,907.90-17,564.60

Finding the Fourth Proportional to 21,938.60, 32,907.90 and 17,564.60

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Solution

The fourth proportional to 21,938.60, 32,907.90 and 17,564.60 is: 26,346.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,938.60 : 32,907.90 = 17,564.60 : x
  2. Step 2: Convert to fraction form
    21,938.60/32,907.90 = 17,564.60/x
  3. Step 3: Cross multiply
    21,938.60x = 32,907.90 × 17,564.60
  4. Step 4: Simplify right side
    21,938.60x = 578,014,100.34
  5. Step 5: Solve for x
    x = 578,014,100.34/21,938.60
  6. Step 6: Final answer
    x = 26,346.90

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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.