Home / 21,232.89-29,307.51-17,013.40

Finding the Fourth Proportional to 21,232.89, 29,307.51 and 17,013.40

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Solution

The fourth proportional to 21,232.89, 29,307.51 and 17,013.40 is: 23,483.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,232.89 : 29,307.51 = 17,013.40 : x
  2. Step 2: Convert to fraction form
    21,232.89/29,307.51 = 17,013.40/x
  3. Step 3: Cross multiply
    21,232.89x = 29,307.51 × 17,013.40
  4. Step 4: Simplify right side
    21,232.89x = 498,620,317.37
  5. Step 5: Solve for x
    x = 498,620,317.37/21,232.89
  6. Step 6: Final answer
    x = 23,483.39

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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.