Home / 21,710.40-32,570.73-17,284.80

Finding the Fourth Proportional to 21,710.40, 32,570.73 and 17,284.80

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Solution

The fourth proportional to 21,710.40, 32,570.73 and 17,284.80 is: 25,931.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,710.40 : 32,570.73 = 17,284.80 : x
  2. Step 2: Convert to fraction form
    21,710.40/32,570.73 = 17,284.80/x
  3. Step 3: Cross multiply
    21,710.40x = 32,570.73 × 17,284.80
  4. Step 4: Simplify right side
    21,710.40x = 562,978,553.90
  5. Step 5: Solve for x
    x = 562,978,553.90/21,710.40
  6. Step 6: Final answer
    x = 25,931.28

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1.5x scale

Why These Related Problems?

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