Home / 21,425.04-32,127.03-8,941.32

Finding the Fourth Proportional to 21,425.04, 32,127.03 and 8,941.32

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Solution

The fourth proportional to 21,425.04, 32,127.03 and 8,941.32 is: 13,407.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,425.04 : 32,127.03 = 8,941.32 : x
  2. Step 2: Convert to fraction form
    21,425.04/32,127.03 = 8,941.32/x
  3. Step 3: Cross multiply
    21,425.04x = 32,127.03 × 8,941.32
  4. Step 4: Simplify right side
    21,425.04x = 287,258,055.88
  5. Step 5: Solve for x
    x = 287,258,055.88/21,425.04
  6. Step 6: Final answer
    x = 13,407.59

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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.