Home / 28,015.36-41,948.80-16,907.20

Finding the Fourth Proportional to 28,015.36, 41,948.80 and 16,907.20

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Solution

The fourth proportional to 28,015.36, 41,948.80 and 16,907.20 is: 25,316.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,015.36 : 41,948.80 = 16,907.20 : x
  2. Step 2: Convert to fraction form
    28,015.36/41,948.80 = 16,907.20/x
  3. Step 3: Cross multiply
    28,015.36x = 41,948.80 × 16,907.20
  4. Step 4: Simplify right side
    28,015.36x = 709,236,751.36
  5. Step 5: Solve for x
    x = 709,236,751.36/28,015.36
  6. Step 6: Final answer
    x = 25,316.00

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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.