Home / 28,009.14-38,655.27-16,075.14

Finding the Fourth Proportional to 28,009.14, 38,655.27 and 16,075.14

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Solution

The fourth proportional to 28,009.14, 38,655.27 and 16,075.14 is: 22,185.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,009.14 : 38,655.27 = 16,075.14 : x
  2. Step 2: Convert to fraction form
    28,009.14/38,655.27 = 16,075.14/x
  3. Step 3: Cross multiply
    28,009.14x = 38,655.27 × 16,075.14
  4. Step 4: Simplify right side
    28,009.14x = 621,388,876.99
  5. Step 5: Solve for x
    x = 621,388,876.99/28,009.14
  6. Step 6: Final answer
    x = 22,185.22

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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.