Home / 19,417.36-29,126.04-12,885.28

Finding the Fourth Proportional to 19,417.36, 29,126.04 and 12,885.28

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Solution

The fourth proportional to 19,417.36, 29,126.04 and 12,885.28 is: 19,327.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,417.36 : 29,126.04 = 12,885.28 : x
  2. Step 2: Convert to fraction form
    19,417.36/29,126.04 = 12,885.28/x
  3. Step 3: Cross multiply
    19,417.36x = 29,126.04 × 12,885.28
  4. Step 4: Simplify right side
    19,417.36x = 375,297,180.69
  5. Step 5: Solve for x
    x = 375,297,180.69/19,417.36
  6. Step 6: Final answer
    x = 19,327.92

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.