Home / 21,096.37-29,176.77-18,854.29

Finding the Fourth Proportional to 21,096.37, 29,176.77 and 18,854.29

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Solution

The fourth proportional to 21,096.37, 29,176.77 and 18,854.29 is: 26,075.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,096.37 : 29,176.77 = 18,854.29 : x
  2. Step 2: Convert to fraction form
    21,096.37/29,176.77 = 18,854.29/x
  3. Step 3: Cross multiply
    21,096.37x = 29,176.77 × 18,854.29
  4. Step 4: Simplify right side
    21,096.37x = 550,107,282.84
  5. Step 5: Solve for x
    x = 550,107,282.84/21,096.37
  6. Step 6: Final answer
    x = 26,075.92

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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.