Home / 27,590.03-38,071.61-15,487.74

Finding the Fourth Proportional to 27,590.03, 38,071.61 and 15,487.74

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Solution

The fourth proportional to 27,590.03, 38,071.61 and 15,487.74 is: 21,371.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,590.03 : 38,071.61 = 15,487.74 : x
  2. Step 2: Convert to fraction form
    27,590.03/38,071.61 = 15,487.74/x
  3. Step 3: Cross multiply
    27,590.03x = 38,071.61 × 15,487.74
  4. Step 4: Simplify right side
    27,590.03x = 589,643,119.62
  5. Step 5: Solve for x
    x = 589,643,119.62/27,590.03
  6. Step 6: Final answer
    x = 21,371.60

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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.