Home / 19,018.09-28,528.50-5,868.75

Finding the Fourth Proportional to 19,018.09, 28,528.50 and 5,868.75

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Solution

The fourth proportional to 19,018.09, 28,528.50 and 5,868.75 is: 8,803.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,018.09 : 28,528.50 = 5,868.75 : x
  2. Step 2: Convert to fraction form
    19,018.09/28,528.50 = 5,868.75/x
  3. Step 3: Cross multiply
    19,018.09x = 28,528.50 × 5,868.75
  4. Step 4: Simplify right side
    19,018.09x = 167,426,763.36
  5. Step 5: Solve for x
    x = 167,426,763.36/19,018.09
  6. Step 6: Final answer
    x = 8,803.55

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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.