Home / 21,938.32-32,830.92-17,943.40

Finding the Fourth Proportional to 21,938.32, 32,830.92 and 17,943.40

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Solution

The fourth proportional to 21,938.32, 32,830.92 and 17,943.40 is: 26,852.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,938.32 : 32,830.92 = 17,943.40 : x
  2. Step 2: Convert to fraction form
    21,938.32/32,830.92 = 17,943.40/x
  3. Step 3: Cross multiply
    21,938.32x = 32,830.92 × 17,943.40
  4. Step 4: Simplify right side
    21,938.32x = 589,098,329.93
  5. Step 5: Solve for x
    x = 589,098,329.93/21,938.32
  6. Step 6: Final answer
    x = 26,852.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.