Home / 20,036.16-27,645.30-12,075.48

Finding the Fourth Proportional to 20,036.16, 27,645.30 and 12,075.48

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Solution

The fourth proportional to 20,036.16, 27,645.30 and 12,075.48 is: 16,661.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,036.16 : 27,645.30 = 12,075.48 : x
  2. Step 2: Convert to fraction form
    20,036.16/27,645.30 = 12,075.48/x
  3. Step 3: Cross multiply
    20,036.16x = 27,645.30 × 12,075.48
  4. Step 4: Simplify right side
    20,036.16x = 333,830,267.24
  5. Step 5: Solve for x
    x = 333,830,267.24/20,036.16
  6. Step 6: Final answer
    x = 16,661.39

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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.