Home / 28,887.84-43,339.32-12,248.55

Finding the Fourth Proportional to 28,887.84, 43,339.32 and 12,248.55

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Solution

The fourth proportional to 28,887.84, 43,339.32 and 12,248.55 is: 18,376.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,887.84 : 43,339.32 = 12,248.55 : x
  2. Step 2: Convert to fraction form
    28,887.84/43,339.32 = 12,248.55/x
  3. Step 3: Cross multiply
    28,887.84x = 43,339.32 × 12,248.55
  4. Step 4: Simplify right side
    28,887.84x = 530,843,827.99
  5. Step 5: Solve for x
    x = 530,843,827.99/28,887.84
  6. Step 6: Final answer
    x = 18,376.03

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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.