Home / 28,334.16-42,506.91-15,871.91

Finding the Fourth Proportional to 28,334.16, 42,506.91 and 15,871.91

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Solution

The fourth proportional to 28,334.16, 42,506.91 and 15,871.91 is: 23,811.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,334.16 : 42,506.91 = 15,871.91 : x
  2. Step 2: Convert to fraction form
    28,334.16/42,506.91 = 15,871.91/x
  3. Step 3: Cross multiply
    28,334.16x = 42,506.91 × 15,871.91
  4. Step 4: Simplify right side
    28,334.16x = 674,665,637.36
  5. Step 5: Solve for x
    x = 674,665,637.36/28,334.16
  6. Step 6: Final answer
    x = 23,811.03

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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.