Home / 26,750.12-36,875.86-20,365.59

Finding the Fourth Proportional to 26,750.12, 36,875.86 and 20,365.59

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Solution

The fourth proportional to 26,750.12, 36,875.86 and 20,365.59 is: 28,074.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,750.12 : 36,875.86 = 20,365.59 : x
  2. Step 2: Convert to fraction form
    26,750.12/36,875.86 = 20,365.59/x
  3. Step 3: Cross multiply
    26,750.12x = 36,875.86 × 20,365.59
  4. Step 4: Simplify right side
    26,750.12x = 750,998,733.03
  5. Step 5: Solve for x
    x = 750,998,733.03/26,750.12
  6. Step 6: Final answer
    x = 28,074.60

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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.