Home / 21,737.23-30,021.05-17,502.31

Finding the Fourth Proportional to 21,737.23, 30,021.05 and 17,502.31

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Solution

The fourth proportional to 21,737.23, 30,021.05 and 17,502.31 is: 24,172.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,737.23 : 30,021.05 = 17,502.31 : x
  2. Step 2: Convert to fraction form
    21,737.23/30,021.05 = 17,502.31/x
  3. Step 3: Cross multiply
    21,737.23x = 30,021.05 × 17,502.31
  4. Step 4: Simplify right side
    21,737.23x = 525,437,723.63
  5. Step 5: Solve for x
    x = 525,437,723.63/21,737.23
  6. Step 6: Final answer
    x = 24,172.25

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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.