Home / 21,887.48-30,152.04-17,409.80

Finding the Fourth Proportional to 21,887.48, 30,152.04 and 17,409.80

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Solution

The fourth proportional to 21,887.48, 30,152.04 and 17,409.80 is: 23,983.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,887.48 : 30,152.04 = 17,409.80 : x
  2. Step 2: Convert to fraction form
    21,887.48/30,152.04 = 17,409.80/x
  3. Step 3: Cross multiply
    21,887.48x = 30,152.04 × 17,409.80
  4. Step 4: Simplify right side
    21,887.48x = 524,940,985.99
  5. Step 5: Solve for x
    x = 524,940,985.99/21,887.48
  6. Step 6: Final answer
    x = 23,983.62

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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.