Home / 28,264.35-42,397.44-14,216.71

Finding the Fourth Proportional to 28,264.35, 42,397.44 and 14,216.71

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Solution

The fourth proportional to 28,264.35, 42,397.44 and 14,216.71 is: 21,325.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,264.35 : 42,397.44 = 14,216.71 : x
  2. Step 2: Convert to fraction form
    28,264.35/42,397.44 = 14,216.71/x
  3. Step 3: Cross multiply
    28,264.35x = 42,397.44 × 14,216.71
  4. Step 4: Simplify right side
    28,264.35x = 602,752,109.22
  5. Step 5: Solve for x
    x = 602,752,109.22/28,264.35
  6. Step 6: Final answer
    x = 21,325.53

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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.