Home / 21,565.72-32,356.44-9,088.88

Finding the Fourth Proportional to 21,565.72, 32,356.44 and 9,088.88

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Solution

The fourth proportional to 21,565.72, 32,356.44 and 9,088.88 is: 13,636.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,565.72 : 32,356.44 = 9,088.88 : x
  2. Step 2: Convert to fraction form
    21,565.72/32,356.44 = 9,088.88/x
  3. Step 3: Cross multiply
    21,565.72x = 32,356.44 × 9,088.88
  4. Step 4: Simplify right side
    21,565.72x = 294,083,800.39
  5. Step 5: Solve for x
    x = 294,083,800.39/21,565.72
  6. Step 6: Final answer
    x = 13,636.63

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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.