Home / 39,028-53,852.88-22,889.20

Finding the Fourth Proportional to 39,028, 53,852.88 and 22,889.20

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Solution

The fourth proportional to 39,028, 53,852.88 and 22,889.20 is: 31,583.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,028 : 53,852.88 = 22,889.20 : x
  2. Step 2: Convert to fraction form
    39,028/53,852.88 = 22,889.20/x
  3. Step 3: Cross multiply
    39,028x = 53,852.88 × 22,889.20
  4. Step 4: Simplify right side
    39,028x = 1,232,649,340.90
  5. Step 5: Solve for x
    x = 1,232,649,340.90/39,028
  6. Step 6: Final answer
    x = 31,583.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.