Home / 21,569.40-32,353.56-6,776.28

Finding the Fourth Proportional to 21,569.40, 32,353.56 and 6,776.28

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Solution

The fourth proportional to 21,569.40, 32,353.56 and 6,776.28 is: 10,164.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,569.40 : 32,353.56 = 6,776.28 : x
  2. Step 2: Convert to fraction form
    21,569.40/32,353.56 = 6,776.28/x
  3. Step 3: Cross multiply
    21,569.40x = 32,353.56 × 6,776.28
  4. Step 4: Simplify right side
    21,569.40x = 219,236,781.56
  5. Step 5: Solve for x
    x = 219,236,781.56/21,569.40
  6. Step 6: Final answer
    x = 10,164.25

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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.