Home / 38,520.40-57,751.80-16,315.60

Finding the Fourth Proportional to 38,520.40, 57,751.80 and 16,315.60

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Solution

The fourth proportional to 38,520.40, 57,751.80 and 16,315.60 is: 24,461.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,520.40 : 57,751.80 = 16,315.60 : x
  2. Step 2: Convert to fraction form
    38,520.40/57,751.80 = 16,315.60/x
  3. Step 3: Cross multiply
    38,520.40x = 57,751.80 × 16,315.60
  4. Step 4: Simplify right side
    38,520.40x = 942,255,268.08
  5. Step 5: Solve for x
    x = 942,255,268.08/38,520.40
  6. Step 6: Final answer
    x = 24,461.20

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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.