Home / 21,361.16-29,492.26-19,119.14

Finding the Fourth Proportional to 21,361.16, 29,492.26 and 19,119.14

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Solution

The fourth proportional to 21,361.16, 29,492.26 and 19,119.14 is: 26,396.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,361.16 : 29,492.26 = 19,119.14 : x
  2. Step 2: Convert to fraction form
    21,361.16/29,492.26 = 19,119.14/x
  3. Step 3: Cross multiply
    21,361.16x = 29,492.26 × 19,119.14
  4. Step 4: Simplify right side
    21,361.16x = 563,866,647.86
  5. Step 5: Solve for x
    x = 563,866,647.86/21,361.16
  6. Step 6: Final answer
    x = 26,396.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.