Home / 38,878.07-53,576.83-28,250.87

Finding the Fourth Proportional to 38,878.07, 53,576.83 and 28,250.87

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Solution

The fourth proportional to 38,878.07, 53,576.83 and 28,250.87 is: 38,931.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,878.07 : 53,576.83 = 28,250.87 : x
  2. Step 2: Convert to fraction form
    38,878.07/53,576.83 = 28,250.87/x
  3. Step 3: Cross multiply
    38,878.07x = 53,576.83 × 28,250.87
  4. Step 4: Simplify right side
    38,878.07x = 1,513,592,122.66
  5. Step 5: Solve for x
    x = 1,513,592,122.66/38,878.07
  6. Step 6: Final answer
    x = 38,931.77

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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.