Home / 28,284.31-42,431.93-10,752.77

Finding the Fourth Proportional to 28,284.31, 42,431.93 and 10,752.77

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Solution

The fourth proportional to 28,284.31, 42,431.93 and 10,752.77 is: 16,131.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,284.31 : 42,431.93 = 10,752.77 : x
  2. Step 2: Convert to fraction form
    28,284.31/42,431.93 = 10,752.77/x
  3. Step 3: Cross multiply
    28,284.31x = 42,431.93 × 10,752.77
  4. Step 4: Simplify right side
    28,284.31x = 456,260,916.18
  5. Step 5: Solve for x
    x = 456,260,916.18/28,284.31
  6. Step 6: Final answer
    x = 16,131.24

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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.