Home / 28,056.60-42,171.30-26,501.40

Finding the Fourth Proportional to 28,056.60, 42,171.30 and 26,501.40

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Solution

The fourth proportional to 28,056.60, 42,171.30 and 26,501.40 is: 39,833.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,056.60 : 42,171.30 = 26,501.40 : x
  2. Step 2: Convert to fraction form
    28,056.60/42,171.30 = 26,501.40/x
  3. Step 3: Cross multiply
    28,056.60x = 42,171.30 × 26,501.40
  4. Step 4: Simplify right side
    28,056.60x = 1,117,598,489.82
  5. Step 5: Solve for x
    x = 1,117,598,489.82/28,056.60
  6. Step 6: Final answer
    x = 39,833.71

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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.