Home / 28,527.06-39,368.64-15,951.78

Finding the Fourth Proportional to 28,527.06, 39,368.64 and 15,951.78

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Solution

The fourth proportional to 28,527.06, 39,368.64 and 15,951.78 is: 22,014.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,527.06 : 39,368.64 = 15,951.78 : x
  2. Step 2: Convert to fraction form
    28,527.06/39,368.64 = 15,951.78/x
  3. Step 3: Cross multiply
    28,527.06x = 39,368.64 × 15,951.78
  4. Step 4: Simplify right side
    28,527.06x = 627,999,884.18
  5. Step 5: Solve for x
    x = 627,999,884.18/28,527.06
  6. Step 6: Final answer
    x = 22,014.18

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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.