Home / 19,323.48-28,985.22-10,087.32

Finding the Fourth Proportional to 19,323.48, 28,985.22 and 10,087.32

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Solution

The fourth proportional to 19,323.48, 28,985.22 and 10,087.32 is: 15,130.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,323.48 : 28,985.22 = 10,087.32 : x
  2. Step 2: Convert to fraction form
    19,323.48/28,985.22 = 10,087.32/x
  3. Step 3: Cross multiply
    19,323.48x = 28,985.22 × 10,087.32
  4. Step 4: Simplify right side
    19,323.48x = 292,383,189.41
  5. Step 5: Solve for x
    x = 292,383,189.41/19,323.48
  6. Step 6: Final answer
    x = 15,130.98

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Similar ratio
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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.