Home / 38,528.16-57,798.72-18,794.40

Finding the Fourth Proportional to 38,528.16, 57,798.72 and 18,794.40

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Solution

The fourth proportional to 38,528.16, 57,798.72 and 18,794.40 is: 28,194.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,528.16 : 57,798.72 = 18,794.40 : x
  2. Step 2: Convert to fraction form
    38,528.16/57,798.72 = 18,794.40/x
  3. Step 3: Cross multiply
    38,528.16x = 57,798.72 × 18,794.40
  4. Step 4: Simplify right side
    38,528.16x = 1,086,292,263.17
  5. Step 5: Solve for x
    x = 1,086,292,263.17/38,528.16
  6. Step 6: Final answer
    x = 28,194.76

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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.