Home / 28,064.82-42,075.16-14,017.60

Finding the Fourth Proportional to 28,064.82, 42,075.16 and 14,017.60

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Solution

The fourth proportional to 28,064.82, 42,075.16 and 14,017.60 is: 21,015.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,064.82 : 42,075.16 = 14,017.60 : x
  2. Step 2: Convert to fraction form
    28,064.82/42,075.16 = 14,017.60/x
  3. Step 3: Cross multiply
    28,064.82x = 42,075.16 × 14,017.60
  4. Step 4: Simplify right side
    28,064.82x = 589,792,622.58
  5. Step 5: Solve for x
    x = 589,792,622.58/28,064.82
  6. Step 6: Final answer
    x = 21,015.37

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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.