Home / 27,647.04-38,152.32-15,071.52

Finding the Fourth Proportional to 27,647.04, 38,152.32 and 15,071.52

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Solution

The fourth proportional to 27,647.04, 38,152.32 and 15,071.52 is: 20,798.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,647.04 : 38,152.32 = 15,071.52 : x
  2. Step 2: Convert to fraction form
    27,647.04/38,152.32 = 15,071.52/x
  3. Step 3: Cross multiply
    27,647.04x = 38,152.32 × 15,071.52
  4. Step 4: Simplify right side
    27,647.04x = 575,013,453.93
  5. Step 5: Solve for x
    x = 575,013,453.93/27,647.04
  6. Step 6: Final answer
    x = 20,798.37

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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.