Home / 28,153.02-38,844.64-16,826.18

Finding the Fourth Proportional to 28,153.02, 38,844.64 and 16,826.18

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Solution

The fourth proportional to 28,153.02, 38,844.64 and 16,826.18 is: 23,216.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,153.02 : 38,844.64 = 16,826.18 : x
  2. Step 2: Convert to fraction form
    28,153.02/38,844.64 = 16,826.18/x
  3. Step 3: Cross multiply
    28,153.02x = 38,844.64 × 16,826.18
  4. Step 4: Simplify right side
    28,153.02x = 653,607,022.82
  5. Step 5: Solve for x
    x = 653,607,022.82/28,153.02
  6. Step 6: Final answer
    x = 23,216.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.