Home / 28,246.51-42,378.27-25,460.11

Finding the Fourth Proportional to 28,246.51, 42,378.27 and 25,460.11

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Solution

The fourth proportional to 28,246.51, 42,378.27 and 25,460.11 is: 38,197.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,246.51 : 42,378.27 = 25,460.11 : x
  2. Step 2: Convert to fraction form
    28,246.51/42,378.27 = 25,460.11/x
  3. Step 3: Cross multiply
    28,246.51x = 42,378.27 × 25,460.11
  4. Step 4: Simplify right side
    28,246.51x = 1,078,955,415.81
  5. Step 5: Solve for x
    x = 1,078,955,415.81/28,246.51
  6. Step 6: Final answer
    x = 38,197.83

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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.