Home / 21,751.04-29,999.36-19,235.84

Finding the Fourth Proportional to 21,751.04, 29,999.36 and 19,235.84

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Solution

The fourth proportional to 21,751.04, 29,999.36 and 19,235.84 is: 26,530.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,751.04 : 29,999.36 = 19,235.84 : x
  2. Step 2: Convert to fraction form
    21,751.04/29,999.36 = 19,235.84/x
  3. Step 3: Cross multiply
    21,751.04x = 29,999.36 × 19,235.84
  4. Step 4: Simplify right side
    21,751.04x = 577,062,889.06
  5. Step 5: Solve for x
    x = 577,062,889.06/21,751.04
  6. Step 6: Final answer
    x = 26,530.36

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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.