Home / 28,276.24-39,012.16-16,338

Finding the Fourth Proportional to 28,276.24, 39,012.16 and 16,338

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Solution

The fourth proportional to 28,276.24, 39,012.16 and 16,338 is: 22,541.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,276.24 : 39,012.16 = 16,338 : x
  2. Step 2: Convert to fraction form
    28,276.24/39,012.16 = 16,338/x
  3. Step 3: Cross multiply
    28,276.24x = 39,012.16 × 16,338
  4. Step 4: Simplify right side
    28,276.24x = 637,380,670.08
  5. Step 5: Solve for x
    x = 637,380,670.08/28,276.24
  6. Step 6: Final answer
    x = 22,541.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.