Home / 37,865.91-52,252.60-20,869.21

Finding the Fourth Proportional to 37,865.91, 52,252.60 and 20,869.21

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Solution

The fourth proportional to 37,865.91, 52,252.60 and 20,869.21 is: 28,798.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,865.91 : 52,252.60 = 20,869.21 : x
  2. Step 2: Convert to fraction form
    37,865.91/52,252.60 = 20,869.21/x
  3. Step 3: Cross multiply
    37,865.91x = 52,252.60 × 20,869.21
  4. Step 4: Simplify right side
    37,865.91x = 1,090,470,482.45
  5. Step 5: Solve for x
    x = 1,090,470,482.45/37,865.91
  6. Step 6: Final answer
    x = 28,798.21

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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.