Home / 38,310.02-52,901.07-28,255.90

Finding the Fourth Proportional to 38,310.02, 52,901.07 and 28,255.90

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Solution

The fourth proportional to 38,310.02, 52,901.07 and 28,255.90 is: 39,017.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,310.02 : 52,901.07 = 28,255.90 : x
  2. Step 2: Convert to fraction form
    38,310.02/52,901.07 = 28,255.90/x
  3. Step 3: Cross multiply
    38,310.02x = 52,901.07 × 28,255.90
  4. Step 4: Simplify right side
    38,310.02x = 1,494,767,343.81
  5. Step 5: Solve for x
    x = 1,494,767,343.81/38,310.02
  6. Step 6: Final answer
    x = 39,017.66

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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.