Home / 19,291.10-28,885.57-15,777.32

Finding the Fourth Proportional to 19,291.10, 28,885.57 and 15,777.32

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Solution

The fourth proportional to 19,291.10, 28,885.57 and 15,777.32 is: 23,624.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,291.10 : 28,885.57 = 15,777.32 : x
  2. Step 2: Convert to fraction form
    19,291.10/28,885.57 = 15,777.32/x
  3. Step 3: Cross multiply
    19,291.10x = 28,885.57 × 15,777.32
  4. Step 4: Simplify right side
    19,291.10x = 455,736,697.40
  5. Step 5: Solve for x
    x = 455,736,697.40/19,291.10
  6. Step 6: Final answer
    x = 23,624.20

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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.