Home / 38,358.80-57,533.72-10,281.28

Finding the Fourth Proportional to 38,358.80, 57,533.72 and 10,281.28

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Solution

The fourth proportional to 38,358.80, 57,533.72 and 10,281.28 is: 15,420.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,358.80 : 57,533.72 = 10,281.28 : x
  2. Step 2: Convert to fraction form
    38,358.80/57,533.72 = 10,281.28/x
  3. Step 3: Cross multiply
    38,358.80x = 57,533.72 × 10,281.28
  4. Step 4: Simplify right side
    38,358.80x = 591,520,284.76
  5. Step 5: Solve for x
    x = 591,520,284.76/38,358.80
  6. Step 6: Final answer
    x = 15,420.72

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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.