Home / 28,302.76-42,395.80-16,580.44

Finding the Fourth Proportional to 28,302.76, 42,395.80 and 16,580.44

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Solution

The fourth proportional to 28,302.76, 42,395.80 and 16,580.44 is: 24,836.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,302.76 : 42,395.80 = 16,580.44 : x
  2. Step 2: Convert to fraction form
    28,302.76/42,395.80 = 16,580.44/x
  3. Step 3: Cross multiply
    28,302.76x = 42,395.80 × 16,580.44
  4. Step 4: Simplify right side
    28,302.76x = 702,941,018.15
  5. Step 5: Solve for x
    x = 702,941,018.15/28,302.76
  6. Step 6: Final answer
    x = 24,836.48

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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.