Home / 28,264.87-39,011.32-16,326.55

Finding the Fourth Proportional to 28,264.87, 39,011.32 and 16,326.55

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Solution

The fourth proportional to 28,264.87, 39,011.32 and 16,326.55 is: 22,533.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,264.87 : 39,011.32 = 16,326.55 : x
  2. Step 2: Convert to fraction form
    28,264.87/39,011.32 = 16,326.55/x
  3. Step 3: Cross multiply
    28,264.87x = 39,011.32 × 16,326.55
  4. Step 4: Simplify right side
    28,264.87x = 636,920,266.55
  5. Step 5: Solve for x
    x = 636,920,266.55/28,264.87
  6. Step 6: Final answer
    x = 22,533.99

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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.