Home / 21,528.78-32,297.60-9,041.46

Finding the Fourth Proportional to 21,528.78, 32,297.60 and 9,041.46

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Solution

The fourth proportional to 21,528.78, 32,297.60 and 9,041.46 is: 13,564.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,528.78 : 32,297.60 = 9,041.46 : x
  2. Step 2: Convert to fraction form
    21,528.78/32,297.60 = 9,041.46/x
  3. Step 3: Cross multiply
    21,528.78x = 32,297.60 × 9,041.46
  4. Step 4: Simplify right side
    21,528.78x = 292,017,458.50
  5. Step 5: Solve for x
    x = 292,017,458.50/21,528.78
  6. Step 6: Final answer
    x = 13,564.05

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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.