Home / 21,865.52-30,176.26-17,875.46

Finding the Fourth Proportional to 21,865.52, 30,176.26 and 17,875.46

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Solution

The fourth proportional to 21,865.52, 30,176.26 and 17,875.46 is: 24,669.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,865.52 : 30,176.26 = 17,875.46 : x
  2. Step 2: Convert to fraction form
    21,865.52/30,176.26 = 17,875.46/x
  3. Step 3: Cross multiply
    21,865.52x = 30,176.26 × 17,875.46
  4. Step 4: Simplify right side
    21,865.52x = 539,414,333.01
  5. Step 5: Solve for x
    x = 539,414,333.01/21,865.52
  6. Step 6: Final answer
    x = 24,669.64

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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.