Home / 30,009.28-41,412.90-16,580.92

Finding the Fourth Proportional to 30,009.28, 41,412.90 and 16,580.92

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Solution

The fourth proportional to 30,009.28, 41,412.90 and 16,580.92 is: 22,881.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,009.28 : 41,412.90 = 16,580.92 : x
  2. Step 2: Convert to fraction form
    30,009.28/41,412.90 = 16,580.92/x
  3. Step 3: Cross multiply
    30,009.28x = 41,412.90 × 16,580.92
  4. Step 4: Simplify right side
    30,009.28x = 686,663,981.87
  5. Step 5: Solve for x
    x = 686,663,981.87/30,009.28
  6. Step 6: Final answer
    x = 22,881.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.