Home / 20,858.52-28,762.54-17,053.24

Finding the Fourth Proportional to 20,858.52, 28,762.54 and 17,053.24

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Solution

The fourth proportional to 20,858.52, 28,762.54 and 17,053.24 is: 23,515.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,858.52 : 28,762.54 = 17,053.24 : x
  2. Step 2: Convert to fraction form
    20,858.52/28,762.54 = 17,053.24/x
  3. Step 3: Cross multiply
    20,858.52x = 28,762.54 × 17,053.24
  4. Step 4: Simplify right side
    20,858.52x = 490,494,497.63
  5. Step 5: Solve for x
    x = 490,494,497.63/20,858.52
  6. Step 6: Final answer
    x = 23,515.31

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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.