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Finding the Fourth Proportional to 22,646.64, 33,925.76 and 14,831.76

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Solution

The fourth proportional to 22,646.64, 33,925.76 and 14,831.76 is: 22,218.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,646.64 : 33,925.76 = 14,831.76 : x
  2. Step 2: Convert to fraction form
    22,646.64/33,925.76 = 14,831.76/x
  3. Step 3: Cross multiply
    22,646.64x = 33,925.76 × 14,831.76
  4. Step 4: Simplify right side
    22,646.64x = 503,178,730.14
  5. Step 5: Solve for x
    x = 503,178,730.14/22,646.64
  6. Step 6: Final answer
    x = 22,218.69

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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.