Home / 21,487.04-29,636.16-17,233.44

Finding the Fourth Proportional to 21,487.04, 29,636.16 and 17,233.44

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Solution

The fourth proportional to 21,487.04, 29,636.16 and 17,233.44 is: 23,769.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,487.04 : 29,636.16 = 17,233.44 : x
  2. Step 2: Convert to fraction form
    21,487.04/29,636.16 = 17,233.44/x
  3. Step 3: Cross multiply
    21,487.04x = 29,636.16 × 17,233.44
  4. Step 4: Simplify right side
    21,487.04x = 510,732,985.19
  5. Step 5: Solve for x
    x = 510,732,985.19/21,487.04
  6. Step 6: Final answer
    x = 23,769.35

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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.