Home / 38,686.32-53,368.92-28,052.64

Finding the Fourth Proportional to 38,686.32, 53,368.92 and 28,052.64

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Solution

The fourth proportional to 38,686.32, 53,368.92 and 28,052.64 is: 38,699.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,686.32 : 53,368.92 = 28,052.64 : x
  2. Step 2: Convert to fraction form
    38,686.32/53,368.92 = 28,052.64/x
  3. Step 3: Cross multiply
    38,686.32x = 53,368.92 × 28,052.64
  4. Step 4: Simplify right side
    38,686.32x = 1,497,139,099.95
  5. Step 5: Solve for x
    x = 1,497,139,099.95/38,686.32
  6. Step 6: Final answer
    x = 38,699.44

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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.