Home / 28,972.44-43,384.34-20,075.13

Finding the Fourth Proportional to 28,972.44, 43,384.34 and 20,075.13

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Solution

The fourth proportional to 28,972.44, 43,384.34 and 20,075.13 is: 30,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,972.44 : 43,384.34 = 20,075.13 : x
  2. Step 2: Convert to fraction form
    28,972.44/43,384.34 = 20,075.13/x
  3. Step 3: Cross multiply
    28,972.44x = 43,384.34 × 20,075.13
  4. Step 4: Simplify right side
    28,972.44x = 870,946,294.60
  5. Step 5: Solve for x
    x = 870,946,294.60/28,972.44
  6. Step 6: Final answer
    x = 30,061.20

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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.