Home / 38,475.81-57,636.90-25,288.20

Finding the Fourth Proportional to 38,475.81, 57,636.90 and 25,288.20

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Solution

The fourth proportional to 38,475.81, 57,636.90 and 25,288.20 is: 37,881.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,475.81 : 57,636.90 = 25,288.20 : x
  2. Step 2: Convert to fraction form
    38,475.81/57,636.90 = 25,288.20/x
  3. Step 3: Cross multiply
    38,475.81x = 57,636.90 × 25,288.20
  4. Step 4: Simplify right side
    38,475.81x = 1,457,533,454.58
  5. Step 5: Solve for x
    x = 1,457,533,454.58/38,475.81
  6. Step 6: Final answer
    x = 37,881.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.