Home / 37,868.40-52,256.28-20,869.32

Finding the Fourth Proportional to 37,868.40, 52,256.28 and 20,869.32

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Solution

The fourth proportional to 37,868.40, 52,256.28 and 20,869.32 is: 28,798.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,868.40 : 52,256.28 = 20,869.32 : x
  2. Step 2: Convert to fraction form
    37,868.40/52,256.28 = 20,869.32/x
  3. Step 3: Cross multiply
    37,868.40x = 52,256.28 × 20,869.32
  4. Step 4: Simplify right side
    37,868.40x = 1,090,553,029.33
  5. Step 5: Solve for x
    x = 1,090,553,029.33/37,868.40
  6. Step 6: Final answer
    x = 28,798.50

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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.