Home / 28,048.02-42,059.69-10,505.55

Finding the Fourth Proportional to 28,048.02, 42,059.69 and 10,505.55

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Solution

The fourth proportional to 28,048.02, 42,059.69 and 10,505.55 is: 15,753.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,048.02 : 42,059.69 = 10,505.55 : x
  2. Step 2: Convert to fraction form
    28,048.02/42,059.69 = 10,505.55/x
  3. Step 3: Cross multiply
    28,048.02x = 42,059.69 × 10,505.55
  4. Step 4: Simplify right side
    28,048.02x = 441,860,176.28
  5. Step 5: Solve for x
    x = 441,860,176.28/28,048.02
  6. Step 6: Final answer
    x = 15,753.70

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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.