Home / 21,203.50-31,810.40-14,975.66

Finding the Fourth Proportional to 21,203.50, 31,810.40 and 14,975.66

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Solution

The fourth proportional to 21,203.50, 31,810.40 and 14,975.66 is: 22,467.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,203.50 : 31,810.40 = 14,975.66 : x
  2. Step 2: Convert to fraction form
    21,203.50/31,810.40 = 14,975.66/x
  3. Step 3: Cross multiply
    21,203.50x = 31,810.40 × 14,975.66
  4. Step 4: Simplify right side
    21,203.50x = 476,381,734.86
  5. Step 5: Solve for x
    x = 476,381,734.86/21,203.50
  6. Step 6: Final answer
    x = 22,467.13

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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.