Home / 27,646.85-38,152.62-15,071.60

Finding the Fourth Proportional to 27,646.85, 38,152.62 and 15,071.60

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Solution

The fourth proportional to 27,646.85, 38,152.62 and 15,071.60 is: 20,798.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,646.85 : 38,152.62 = 15,071.60 : x
  2. Step 2: Convert to fraction form
    27,646.85/38,152.62 = 15,071.60/x
  3. Step 3: Cross multiply
    27,646.85x = 38,152.62 × 15,071.60
  4. Step 4: Simplify right side
    27,646.85x = 575,020,836.83
  5. Step 5: Solve for x
    x = 575,020,836.83/27,646.85
  6. Step 6: Final answer
    x = 20,798.79

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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.