Home / 21,204.57-29,238.40-17,364.23

Finding the Fourth Proportional to 21,204.57, 29,238.40 and 17,364.23

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Solution

The fourth proportional to 21,204.57, 29,238.40 and 17,364.23 is: 23,943.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,204.57 : 29,238.40 = 17,364.23 : x
  2. Step 2: Convert to fraction form
    21,204.57/29,238.40 = 17,364.23/x
  3. Step 3: Cross multiply
    21,204.57x = 29,238.40 × 17,364.23
  4. Step 4: Simplify right side
    21,204.57x = 507,702,302.43
  5. Step 5: Solve for x
    x = 507,702,302.43/21,204.57
  6. Step 6: Final answer
    x = 23,943.06

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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.