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Finding the Fourth Proportional to 35,444.80, 53,154.40 and 17,908.80

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Solution

The fourth proportional to 35,444.80, 53,154.40 and 17,908.80 is: 26,856.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,444.80 : 53,154.40 = 17,908.80 : x
  2. Step 2: Convert to fraction form
    35,444.80/53,154.40 = 17,908.80/x
  3. Step 3: Cross multiply
    35,444.80x = 53,154.40 × 17,908.80
  4. Step 4: Simplify right side
    35,444.80x = 951,931,518.72
  5. Step 5: Solve for x
    x = 951,931,518.72/35,444.80
  6. Step 6: Final answer
    x = 26,856.73

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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.