Home / 19,004.23-28,510.41-5,678.28

Finding the Fourth Proportional to 19,004.23, 28,510.41 and 5,678.28

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Solution

The fourth proportional to 19,004.23, 28,510.41 and 5,678.28 is: 8,518.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,004.23 : 28,510.41 = 5,678.28 : x
  2. Step 2: Convert to fraction form
    19,004.23/28,510.41 = 5,678.28/x
  3. Step 3: Cross multiply
    19,004.23x = 28,510.41 × 5,678.28
  4. Step 4: Simplify right side
    19,004.23x = 161,890,112.19
  5. Step 5: Solve for x
    x = 161,890,112.19/19,004.23
  6. Step 6: Final answer
    x = 8,518.64

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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.