Home / 20,075.23-30,156.59-16,386.49

Finding the Fourth Proportional to 20,075.23, 30,156.59 and 16,386.49

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Solution

The fourth proportional to 20,075.23, 30,156.59 and 16,386.49 is: 24,615.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,075.23 : 30,156.59 = 16,386.49 : x
  2. Step 2: Convert to fraction form
    20,075.23/30,156.59 = 16,386.49/x
  3. Step 3: Cross multiply
    20,075.23x = 30,156.59 × 16,386.49
  4. Step 4: Simplify right side
    20,075.23x = 494,160,660.47
  5. Step 5: Solve for x
    x = 494,160,660.47/20,075.23
  6. Step 6: Final answer
    x = 24,615.44

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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.