Home / 28,136.30-42,197.70-16,264.40

Finding the Fourth Proportional to 28,136.30, 42,197.70 and 16,264.40

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Solution

The fourth proportional to 28,136.30, 42,197.70 and 16,264.40 is: 24,392.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,136.30 : 42,197.70 = 16,264.40 : x
  2. Step 2: Convert to fraction form
    28,136.30/42,197.70 = 16,264.40/x
  3. Step 3: Cross multiply
    28,136.30x = 42,197.70 × 16,264.40
  4. Step 4: Simplify right side
    28,136.30x = 686,320,271.88
  5. Step 5: Solve for x
    x = 686,320,271.88/28,136.30
  6. Step 6: Final answer
    x = 24,392.70

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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.