Home / 19,267.80-28,901.30-8,879.55

Finding the Fourth Proportional to 19,267.80, 28,901.30 and 8,879.55

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Solution

The fourth proportional to 19,267.80, 28,901.30 and 8,879.55 is: 13,319.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,267.80 : 28,901.30 = 8,879.55 : x
  2. Step 2: Convert to fraction form
    19,267.80/28,901.30 = 8,879.55/x
  3. Step 3: Cross multiply
    19,267.80x = 28,901.30 × 8,879.55
  4. Step 4: Simplify right side
    19,267.80x = 256,630,494.02
  5. Step 5: Solve for x
    x = 256,630,494.02/19,267.80
  6. Step 6: Final answer
    x = 13,319.14

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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.