Home / 19,479.81-29,224.58-5,628.81

Finding the Fourth Proportional to 19,479.81, 29,224.58 and 5,628.81

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Solution

The fourth proportional to 19,479.81, 29,224.58 and 5,628.81 is: 8,444.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,479.81 : 29,224.58 = 5,628.81 : x
  2. Step 2: Convert to fraction form
    19,479.81/29,224.58 = 5,628.81/x
  3. Step 3: Cross multiply
    19,479.81x = 29,224.58 × 5,628.81
  4. Step 4: Simplify right side
    19,479.81x = 164,499,608.15
  5. Step 5: Solve for x
    x = 164,499,608.15/19,479.81
  6. Step 6: Final answer
    x = 8,444.62

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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.