Home / 19,319.60-28,979.40-14,945.60

Finding the Fourth Proportional to 19,319.60, 28,979.40 and 14,945.60

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Solution

The fourth proportional to 19,319.60, 28,979.40 and 14,945.60 is: 22,418.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,319.60 : 28,979.40 = 14,945.60 : x
  2. Step 2: Convert to fraction form
    19,319.60/28,979.40 = 14,945.60/x
  3. Step 3: Cross multiply
    19,319.60x = 28,979.40 × 14,945.60
  4. Step 4: Simplify right side
    19,319.60x = 433,114,520.64
  5. Step 5: Solve for x
    x = 433,114,520.64/19,319.60
  6. Step 6: Final answer
    x = 22,418.40

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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.