Home / 21,752.25-32,628.38-9,440.25

Finding the Fourth Proportional to 21,752.25, 32,628.38 and 9,440.25

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Solution

The fourth proportional to 21,752.25, 32,628.38 and 9,440.25 is: 14,160.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,752.25 : 32,628.38 = 9,440.25 : x
  2. Step 2: Convert to fraction form
    21,752.25/32,628.38 = 9,440.25/x
  3. Step 3: Cross multiply
    21,752.25x = 32,628.38 × 9,440.25
  4. Step 4: Simplify right side
    21,752.25x = 308,020,017.09
  5. Step 5: Solve for x
    x = 308,020,017.09/21,752.25
  6. Step 6: Final answer
    x = 14,160.38

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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.