Home / 19,022.10-28,530.45-5,875.80

Finding the Fourth Proportional to 19,022.10, 28,530.45 and 5,875.80

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Solution

The fourth proportional to 19,022.10, 28,530.45 and 5,875.80 is: 8,812.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,022.10 : 28,530.45 = 5,875.80 : x
  2. Step 2: Convert to fraction form
    19,022.10/28,530.45 = 5,875.80/x
  3. Step 3: Cross multiply
    19,022.10x = 28,530.45 × 5,875.80
  4. Step 4: Simplify right side
    19,022.10x = 167,639,218.11
  5. Step 5: Solve for x
    x = 167,639,218.11/19,022.10
  6. Step 6: Final answer
    x = 8,812.87

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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.