Home / 28,957.40-43,442.47-16,483.30

Finding the Fourth Proportional to 28,957.40, 43,442.47 and 16,483.30

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Solution

The fourth proportional to 28,957.40, 43,442.47 and 16,483.30 is: 24,728.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,957.40 : 43,442.47 = 16,483.30 : x
  2. Step 2: Convert to fraction form
    28,957.40/43,442.47 = 16,483.30/x
  3. Step 3: Cross multiply
    28,957.40x = 43,442.47 × 16,483.30
  4. Step 4: Simplify right side
    28,957.40x = 716,075,265.75
  5. Step 5: Solve for x
    x = 716,075,265.75/28,957.40
  6. Step 6: Final answer
    x = 24,728.58

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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.