Home / 20,075.42-27,699.41-12,007.51

Finding the Fourth Proportional to 20,075.42, 27,699.41 and 12,007.51

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Solution

The fourth proportional to 20,075.42, 27,699.41 and 12,007.51 is: 16,567.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,075.42 : 27,699.41 = 12,007.51 : x
  2. Step 2: Convert to fraction form
    20,075.42/27,699.41 = 12,007.51/x
  3. Step 3: Cross multiply
    20,075.42x = 27,699.41 × 12,007.51
  4. Step 4: Simplify right side
    20,075.42x = 332,600,903.34
  5. Step 5: Solve for x
    x = 332,600,903.34/20,075.42
  6. Step 6: Final answer
    x = 16,567.57

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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.