Home / 28,075.16-38,739.31-16,136.27

Finding the Fourth Proportional to 28,075.16, 38,739.31 and 16,136.27

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Solution

The fourth proportional to 28,075.16, 38,739.31 and 16,136.27 is: 22,265.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,075.16 : 38,739.31 = 16,136.27 : x
  2. Step 2: Convert to fraction form
    28,075.16/38,739.31 = 16,136.27/x
  3. Step 3: Cross multiply
    28,075.16x = 38,739.31 × 16,136.27
  4. Step 4: Simplify right side
    28,075.16x = 625,107,772.08
  5. Step 5: Solve for x
    x = 625,107,772.08/28,075.16
  6. Step 6: Final answer
    x = 22,265.51

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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.