Home / 28,175.63-42,278.02-14,324.63

Finding the Fourth Proportional to 28,175.63, 42,278.02 and 14,324.63

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Solution

The fourth proportional to 28,175.63, 42,278.02 and 14,324.63 is: 21,494.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,175.63 : 42,278.02 = 14,324.63 : x
  2. Step 2: Convert to fraction form
    28,175.63/42,278.02 = 14,324.63/x
  3. Step 3: Cross multiply
    28,175.63x = 42,278.02 × 14,324.63
  4. Step 4: Simplify right side
    28,175.63x = 605,616,746.43
  5. Step 5: Solve for x
    x = 605,616,746.43/28,175.63
  6. Step 6: Final answer
    x = 21,494.35

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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.