Home / 28,881.46-43,272.90-15,710.32

Finding the Fourth Proportional to 28,881.46, 43,272.90 and 15,710.32

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Solution

The fourth proportional to 28,881.46, 43,272.90 and 15,710.32 is: 23,538.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,881.46 : 43,272.90 = 15,710.32 : x
  2. Step 2: Convert to fraction form
    28,881.46/43,272.90 = 15,710.32/x
  3. Step 3: Cross multiply
    28,881.46x = 43,272.90 × 15,710.32
  4. Step 4: Simplify right side
    28,881.46x = 679,831,106.33
  5. Step 5: Solve for x
    x = 679,831,106.33/28,881.46
  6. Step 6: Final answer
    x = 23,538.67

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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.