Home / 38,400.21-57,600.27-10,698.21

Finding the Fourth Proportional to 38,400.21, 57,600.27 and 10,698.21

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Solution

The fourth proportional to 38,400.21, 57,600.27 and 10,698.21 is: 16,047.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,400.21 : 57,600.27 = 10,698.21 : x
  2. Step 2: Convert to fraction form
    38,400.21/57,600.27 = 10,698.21/x
  3. Step 3: Cross multiply
    38,400.21x = 57,600.27 × 10,698.21
  4. Step 4: Simplify right side
    38,400.21x = 616,219,784.52
  5. Step 5: Solve for x
    x = 616,219,784.52/38,400.21
  6. Step 6: Final answer
    x = 16,047.30

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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.