Home / 28,585.34-39,461.48-20,094.74

Finding the Fourth Proportional to 28,585.34, 39,461.48 and 20,094.74

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Solution

The fourth proportional to 28,585.34, 39,461.48 and 20,094.74 is: 27,740.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,585.34 : 39,461.48 = 20,094.74 : x
  2. Step 2: Convert to fraction form
    28,585.34/39,461.48 = 20,094.74/x
  3. Step 3: Cross multiply
    28,585.34x = 39,461.48 × 20,094.74
  4. Step 4: Simplify right side
    28,585.34x = 792,967,983.31
  5. Step 5: Solve for x
    x = 792,967,983.31/28,585.34
  6. Step 6: Final answer
    x = 27,740.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.