Home / 28,028.51-42,050.96-9,052.71

Finding the Fourth Proportional to 28,028.51, 42,050.96 and 9,052.71

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Solution

The fourth proportional to 28,028.51, 42,050.96 and 9,052.71 is: 13,581.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,028.51 : 42,050.96 = 9,052.71 : x
  2. Step 2: Convert to fraction form
    28,028.51/42,050.96 = 9,052.71/x
  3. Step 3: Cross multiply
    28,028.51x = 42,050.96 × 9,052.71
  4. Step 4: Simplify right side
    28,028.51x = 380,675,226.36
  5. Step 5: Solve for x
    x = 380,675,226.36/28,028.51
  6. Step 6: Final answer
    x = 13,581.72

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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.