Home / 28,702.02-39,608.79-16,126.77

Finding the Fourth Proportional to 28,702.02, 39,608.79 and 16,126.77

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Solution

The fourth proportional to 28,702.02, 39,608.79 and 16,126.77 is: 22,254.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,702.02 : 39,608.79 = 16,126.77 : x
  2. Step 2: Convert to fraction form
    28,702.02/39,608.79 = 16,126.77/x
  3. Step 3: Cross multiply
    28,702.02x = 39,608.79 × 16,126.77
  4. Step 4: Simplify right side
    28,702.02x = 638,761,846.31
  5. Step 5: Solve for x
    x = 638,761,846.31/28,702.02
  6. Step 6: Final answer
    x = 22,254.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.