Home / 21,203.37-31,810.23-14,975.55

Finding the Fourth Proportional to 21,203.37, 31,810.23 and 14,975.55

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Solution

The fourth proportional to 21,203.37, 31,810.23 and 14,975.55 is: 22,466.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,203.37 : 31,810.23 = 14,975.55 : x
  2. Step 2: Convert to fraction form
    21,203.37/31,810.23 = 14,975.55/x
  3. Step 3: Cross multiply
    21,203.37x = 31,810.23 × 14,975.55
  4. Step 4: Simplify right side
    21,203.37x = 476,375,689.88
  5. Step 5: Solve for x
    x = 476,375,689.88/21,203.37
  6. Step 6: Final answer
    x = 22,466.98

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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.