Home / 21,444.56-32,155.32-9,760.40

Finding the Fourth Proportional to 21,444.56, 32,155.32 and 9,760.40

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Solution

The fourth proportional to 21,444.56, 32,155.32 and 9,760.40 is: 14,635.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,444.56 : 32,155.32 = 9,760.40 : x
  2. Step 2: Convert to fraction form
    21,444.56/32,155.32 = 9,760.40/x
  3. Step 3: Cross multiply
    21,444.56x = 32,155.32 × 9,760.40
  4. Step 4: Simplify right side
    21,444.56x = 313,848,785.33
  5. Step 5: Solve for x
    x = 313,848,785.33/21,444.56
  6. Step 6: Final answer
    x = 14,635.36

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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.