Home / 38,328.60-57,478.56-13,362.24

Finding the Fourth Proportional to 38,328.60, 57,478.56 and 13,362.24

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Solution

The fourth proportional to 38,328.60, 57,478.56 and 13,362.24 is: 20,038.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,328.60 : 57,478.56 = 13,362.24 : x
  2. Step 2: Convert to fraction form
    38,328.60/57,478.56 = 13,362.24/x
  3. Step 3: Cross multiply
    38,328.60x = 57,478.56 × 13,362.24
  4. Step 4: Simplify right side
    38,328.60x = 768,042,313.57
  5. Step 5: Solve for x
    x = 768,042,313.57/38,328.60
  6. Step 6: Final answer
    x = 20,038.36

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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.