Home / 25,389.89-38,099.41-19,827.62

Finding the Fourth Proportional to 25,389.89, 38,099.41 and 19,827.62

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Solution

The fourth proportional to 25,389.89, 38,099.41 and 19,827.62 is: 29,752.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,389.89 : 38,099.41 = 19,827.62 : x
  2. Step 2: Convert to fraction form
    25,389.89/38,099.41 = 19,827.62/x
  3. Step 3: Cross multiply
    25,389.89x = 38,099.41 × 19,827.62
  4. Step 4: Simplify right side
    25,389.89x = 755,420,526.51
  5. Step 5: Solve for x
    x = 755,420,526.51/25,389.89
  6. Step 6: Final answer
    x = 29,752.81

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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.