Home / 28,322.84-42,484.40-8,601.57

Finding the Fourth Proportional to 28,322.84, 42,484.40 and 8,601.57

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Solution

The fourth proportional to 28,322.84, 42,484.40 and 8,601.57 is: 12,902.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,322.84 : 42,484.40 = 8,601.57 : x
  2. Step 2: Convert to fraction form
    28,322.84/42,484.40 = 8,601.57/x
  3. Step 3: Cross multiply
    28,322.84x = 42,484.40 × 8,601.57
  4. Step 4: Simplify right side
    28,322.84x = 365,432,497.50
  5. Step 5: Solve for x
    x = 365,432,497.50/28,322.84
  6. Step 6: Final answer
    x = 12,902.40

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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.