Home / 30,274.60-41,778.28-17,528.32

Finding the Fourth Proportional to 30,274.60, 41,778.28 and 17,528.32

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Solution

The fourth proportional to 30,274.60, 41,778.28 and 17,528.32 is: 24,188.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,274.60 : 41,778.28 = 17,528.32 : x
  2. Step 2: Convert to fraction form
    30,274.60/41,778.28 = 17,528.32/x
  3. Step 3: Cross multiply
    30,274.60x = 41,778.28 × 17,528.32
  4. Step 4: Simplify right side
    30,274.60x = 732,303,060.89
  5. Step 5: Solve for x
    x = 732,303,060.89/30,274.60
  6. Step 6: Final answer
    x = 24,188.69

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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.