Home / 28,051.79-38,716.28-26,790.62

Finding the Fourth Proportional to 28,051.79, 38,716.28 and 26,790.62

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Solution

The fourth proportional to 28,051.79, 38,716.28 and 26,790.62 is: 36,975.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,051.79 : 38,716.28 = 26,790.62 : x
  2. Step 2: Convert to fraction form
    28,051.79/38,716.28 = 26,790.62/x
  3. Step 3: Cross multiply
    28,051.79x = 38,716.28 × 26,790.62
  4. Step 4: Simplify right side
    28,051.79x = 1,037,232,918.22
  5. Step 5: Solve for x
    x = 1,037,232,918.22/28,051.79
  6. Step 6: Final answer
    x = 36,975.65

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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.