Home / 21,841.07-30,100.65-15,862.33

Finding the Fourth Proportional to 21,841.07, 30,100.65 and 15,862.33

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Solution

The fourth proportional to 21,841.07, 30,100.65 and 15,862.33 is: 21,860.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,841.07 : 30,100.65 = 15,862.33 : x
  2. Step 2: Convert to fraction form
    21,841.07/30,100.65 = 15,862.33/x
  3. Step 3: Cross multiply
    21,841.07x = 30,100.65 × 15,862.33
  4. Step 4: Simplify right side
    21,841.07x = 477,466,293.01
  5. Step 5: Solve for x
    x = 477,466,293.01/21,841.07
  6. Step 6: Final answer
    x = 21,860.94

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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.