Home / 28,504.37-42,762.87-9,783.99

Finding the Fourth Proportional to 28,504.37, 42,762.87 and 9,783.99

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Solution

The fourth proportional to 28,504.37, 42,762.87 and 9,783.99 is: 14,678.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,504.37 : 42,762.87 = 9,783.99 : x
  2. Step 2: Convert to fraction form
    28,504.37/42,762.87 = 9,783.99/x
  3. Step 3: Cross multiply
    28,504.37x = 42,762.87 × 9,783.99
  4. Step 4: Simplify right side
    28,504.37x = 418,391,492.45
  5. Step 5: Solve for x
    x = 418,391,492.45/28,504.37
  6. Step 6: Final answer
    x = 14,678.15

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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.