Home / 28,533.74-42,739.65-23,172.76

Finding the Fourth Proportional to 28,533.74, 42,739.65 and 23,172.76

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Solution

The fourth proportional to 28,533.74, 42,739.65 and 23,172.76 is: 34,709.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,533.74 : 42,739.65 = 23,172.76 : x
  2. Step 2: Convert to fraction form
    28,533.74/42,739.65 = 23,172.76/x
  3. Step 3: Cross multiply
    28,533.74x = 42,739.65 × 23,172.76
  4. Step 4: Simplify right side
    28,533.74x = 990,395,438.24
  5. Step 5: Solve for x
    x = 990,395,438.24/28,533.74
  6. Step 6: Final answer
    x = 34,709.63

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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.