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Finding the Fourth Proportional to 26,793.79, 36,977.52 and 14,859.46

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Solution

The fourth proportional to 26,793.79, 36,977.52 and 14,859.46 is: 20,507.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,793.79 : 36,977.52 = 14,859.46 : x
  2. Step 2: Convert to fraction form
    26,793.79/36,977.52 = 14,859.46/x
  3. Step 3: Cross multiply
    26,793.79x = 36,977.52 × 14,859.46
  4. Step 4: Simplify right side
    26,793.79x = 549,465,979.34
  5. Step 5: Solve for x
    x = 549,465,979.34/26,793.79
  6. Step 6: Final answer
    x = 20,507.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.