Home / 28,312.36-42,474.54-9,591.48

Finding the Fourth Proportional to 28,312.36, 42,474.54 and 9,591.48

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Solution

The fourth proportional to 28,312.36, 42,474.54 and 9,591.48 is: 14,389.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,312.36 : 42,474.54 = 9,591.48 : x
  2. Step 2: Convert to fraction form
    28,312.36/42,474.54 = 9,591.48/x
  3. Step 3: Cross multiply
    28,312.36x = 42,474.54 × 9,591.48
  4. Step 4: Simplify right side
    28,312.36x = 407,393,700.92
  5. Step 5: Solve for x
    x = 407,393,700.92/28,312.36
  6. Step 6: Final answer
    x = 14,389.25

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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.