Home / 21,347.78-32,026.42-6,558.20

Finding the Fourth Proportional to 21,347.78, 32,026.42 and 6,558.20

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Solution

The fourth proportional to 21,347.78, 32,026.42 and 6,558.20 is: 9,838.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,347.78 : 32,026.42 = 6,558.20 : x
  2. Step 2: Convert to fraction form
    21,347.78/32,026.42 = 6,558.20/x
  3. Step 3: Cross multiply
    21,347.78x = 32,026.42 × 6,558.20
  4. Step 4: Simplify right side
    21,347.78x = 210,035,667.64
  5. Step 5: Solve for x
    x = 210,035,667.64/21,347.78
  6. Step 6: Final answer
    x = 9,838.76

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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.