Home / 28,457.37-42,671.48-18,047.25

Finding the Fourth Proportional to 28,457.37, 42,671.48 and 18,047.25

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Solution

The fourth proportional to 28,457.37, 42,671.48 and 18,047.25 is: 27,061.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,457.37 : 42,671.48 = 18,047.25 : x
  2. Step 2: Convert to fraction form
    28,457.37/42,671.48 = 18,047.25/x
  3. Step 3: Cross multiply
    28,457.37x = 42,671.48 × 18,047.25
  4. Step 4: Simplify right side
    28,457.37x = 770,102,777.19
  5. Step 5: Solve for x
    x = 770,102,777.19/28,457.37
  6. Step 6: Final answer
    x = 27,061.63

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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.