Home / 19,271.08-28,894.62-8,869.48

Finding the Fourth Proportional to 19,271.08, 28,894.62 and 8,869.48

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Solution

The fourth proportional to 19,271.08, 28,894.62 and 8,869.48 is: 13,298.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,271.08 : 28,894.62 = 8,869.48 : x
  2. Step 2: Convert to fraction form
    19,271.08/28,894.62 = 8,869.48/x
  3. Step 3: Cross multiply
    19,271.08x = 28,894.62 × 8,869.48
  4. Step 4: Simplify right side
    19,271.08x = 256,280,254.20
  5. Step 5: Solve for x
    x = 256,280,254.20/19,271.08
  6. Step 6: Final answer
    x = 13,298.70

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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.