Home / 25,410.81-38,099.19-9,810.21

Finding the Fourth Proportional to 25,410.81, 38,099.19 and 9,810.21

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Solution

The fourth proportional to 25,410.81, 38,099.19 and 9,810.21 is: 14,708.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,410.81 : 38,099.19 = 9,810.21 : x
  2. Step 2: Convert to fraction form
    25,410.81/38,099.19 = 9,810.21/x
  3. Step 3: Cross multiply
    25,410.81x = 38,099.19 × 9,810.21
  4. Step 4: Simplify right side
    25,410.81x = 373,761,054.73
  5. Step 5: Solve for x
    x = 373,761,054.73/25,410.81
  6. Step 6: Final answer
    x = 14,708.74

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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.