Home / 17,625.36-26,438.48-4,478.75

Finding the Fourth Proportional to 17,625.36, 26,438.48 and 4,478.75

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Solution

The fourth proportional to 17,625.36, 26,438.48 and 4,478.75 is: 6,718.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,625.36 : 26,438.48 = 4,478.75 : x
  2. Step 2: Convert to fraction form
    17,625.36/26,438.48 = 4,478.75/x
  3. Step 3: Cross multiply
    17,625.36x = 26,438.48 × 4,478.75
  4. Step 4: Simplify right side
    17,625.36x = 118,411,187.71
  5. Step 5: Solve for x
    x = 118,411,187.71/17,625.36
  6. Step 6: Final answer
    x = 6,718.23

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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.