Home / 20,075.02-27,702.61-11,000.35

Finding the Fourth Proportional to 20,075.02, 27,702.61 and 11,000.35

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Solution

The fourth proportional to 20,075.02, 27,702.61 and 11,000.35 is: 15,179.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,075.02 : 27,702.61 = 11,000.35 : x
  2. Step 2: Convert to fraction form
    20,075.02/27,702.61 = 11,000.35/x
  3. Step 3: Cross multiply
    20,075.02x = 27,702.61 × 11,000.35
  4. Step 4: Simplify right side
    20,075.02x = 304,738,405.91
  5. Step 5: Solve for x
    x = 304,738,405.91/20,075.02
  6. Step 6: Final answer
    x = 15,179.98

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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.