Home / 19,009.76-28,477.44-13,085.60

Finding the Fourth Proportional to 19,009.76, 28,477.44 and 13,085.60

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Solution

The fourth proportional to 19,009.76, 28,477.44 and 13,085.60 is: 19,602.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,009.76 : 28,477.44 = 13,085.60 : x
  2. Step 2: Convert to fraction form
    19,009.76/28,477.44 = 13,085.60/x
  3. Step 3: Cross multiply
    19,009.76x = 28,477.44 × 13,085.60
  4. Step 4: Simplify right side
    19,009.76x = 372,644,388.86
  5. Step 5: Solve for x
    x = 372,644,388.86/19,009.76
  6. Step 6: Final answer
    x = 19,602.79

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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.