Home / 25,320.56-37,999.40-9,540.40

Finding the Fourth Proportional to 25,320.56, 37,999.40 and 9,540.40

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Solution

The fourth proportional to 25,320.56, 37,999.40 and 9,540.40 is: 14,317.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,320.56 : 37,999.40 = 9,540.40 : x
  2. Step 2: Convert to fraction form
    25,320.56/37,999.40 = 9,540.40/x
  3. Step 3: Cross multiply
    25,320.56x = 37,999.40 × 9,540.40
  4. Step 4: Simplify right side
    25,320.56x = 362,529,475.76
  5. Step 5: Solve for x
    x = 362,529,475.76/25,320.56
  6. Step 6: Final answer
    x = 14,317.59

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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.