Home / 25,558.40-38,337.60-7,090.40

Finding the Fourth Proportional to 25,558.40, 38,337.60 and 7,090.40

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Solution

The fourth proportional to 25,558.40, 38,337.60 and 7,090.40 is: 10,635.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,558.40 : 38,337.60 = 7,090.40 : x
  2. Step 2: Convert to fraction form
    25,558.40/38,337.60 = 7,090.40/x
  3. Step 3: Cross multiply
    25,558.40x = 38,337.60 × 7,090.40
  4. Step 4: Simplify right side
    25,558.40x = 271,828,919.04
  5. Step 5: Solve for x
    x = 271,828,919.04/25,558.40
  6. Step 6: Final answer
    x = 10,635.60

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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.