Home / 16,484.80-24,727.20-15,577.60

Finding the Fourth Proportional to 16,484.80, 24,727.20 and 15,577.60

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Solution

The fourth proportional to 16,484.80, 24,727.20 and 15,577.60 is: 23,366.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,484.80 : 24,727.20 = 15,577.60 : x
  2. Step 2: Convert to fraction form
    16,484.80/24,727.20 = 15,577.60/x
  3. Step 3: Cross multiply
    16,484.80x = 24,727.20 × 15,577.60
  4. Step 4: Simplify right side
    16,484.80x = 385,190,430.72
  5. Step 5: Solve for x
    x = 385,190,430.72/16,484.80
  6. Step 6: Final answer
    x = 23,366.40

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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.