Home / 22,529.27-31,089.84-12,457.45

Finding the Fourth Proportional to 22,529.27, 31,089.84 and 12,457.45

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Solution

The fourth proportional to 22,529.27, 31,089.84 and 12,457.45 is: 17,190.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,529.27 : 31,089.84 = 12,457.45 : x
  2. Step 2: Convert to fraction form
    22,529.27/31,089.84 = 12,457.45/x
  3. Step 3: Cross multiply
    22,529.27x = 31,089.84 × 12,457.45
  4. Step 4: Simplify right side
    22,529.27x = 387,300,014.65
  5. Step 5: Solve for x
    x = 387,300,014.65/22,529.27
  6. Step 6: Final answer
    x = 17,190.97

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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.