Home / 28,762.78-43,141.32-9,040.84

Finding the Fourth Proportional to 28,762.78, 43,141.32 and 9,040.84

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Solution

The fourth proportional to 28,762.78, 43,141.32 and 9,040.84 is: 13,560.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,762.78 : 43,141.32 = 9,040.84 : x
  2. Step 2: Convert to fraction form
    28,762.78/43,141.32 = 9,040.84/x
  3. Step 3: Cross multiply
    28,762.78x = 43,141.32 × 9,040.84
  4. Step 4: Simplify right side
    28,762.78x = 390,033,771.51
  5. Step 5: Solve for x
    x = 390,033,771.51/28,762.78
  6. Step 6: Final answer
    x = 13,560.36

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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.