Home / 35,128.22-52,713.12-12,957.18

Finding the Fourth Proportional to 35,128.22, 52,713.12 and 12,957.18

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Solution

The fourth proportional to 35,128.22, 52,713.12 and 12,957.18 is: 19,443.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,128.22 : 52,713.12 = 12,957.18 : x
  2. Step 2: Convert to fraction form
    35,128.22/52,713.12 = 12,957.18/x
  3. Step 3: Cross multiply
    35,128.22x = 52,713.12 × 12,957.18
  4. Step 4: Simplify right side
    35,128.22x = 683,013,384.20
  5. Step 5: Solve for x
    x = 683,013,384.20/35,128.22
  6. Step 6: Final answer
    x = 19,443.44

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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.