Home / 21,385.38-32,075.64-5,801.82

Finding the Fourth Proportional to 21,385.38, 32,075.64 and 5,801.82

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Solution

The fourth proportional to 21,385.38, 32,075.64 and 5,801.82 is: 8,702.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,385.38 : 32,075.64 = 5,801.82 : x
  2. Step 2: Convert to fraction form
    21,385.38/32,075.64 = 5,801.82/x
  3. Step 3: Cross multiply
    21,385.38x = 32,075.64 × 5,801.82
  4. Step 4: Simplify right side
    21,385.38x = 186,097,089.66
  5. Step 5: Solve for x
    x = 186,097,089.66/21,385.38
  6. Step 6: Final answer
    x = 8,702.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.