Home / 21,403.98-32,069.07-15,153.39

Finding the Fourth Proportional to 21,403.98, 32,069.07 and 15,153.39

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Solution

The fourth proportional to 21,403.98, 32,069.07 and 15,153.39 is: 22,703.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,403.98 : 32,069.07 = 15,153.39 : x
  2. Step 2: Convert to fraction form
    21,403.98/32,069.07 = 15,153.39/x
  3. Step 3: Cross multiply
    21,403.98x = 32,069.07 × 15,153.39
  4. Step 4: Simplify right side
    21,403.98x = 485,955,124.65
  5. Step 5: Solve for x
    x = 485,955,124.65/21,403.98
  6. Step 6: Final answer
    x = 22,703.96

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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.