Home / 28,476.88-42,697.98-14,618.32

Finding the Fourth Proportional to 28,476.88, 42,697.98 and 14,618.32

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Solution

The fourth proportional to 28,476.88, 42,697.98 and 14,618.32 is: 21,918.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,476.88 : 42,697.98 = 14,618.32 : x
  2. Step 2: Convert to fraction form
    28,476.88/42,697.98 = 14,618.32/x
  3. Step 3: Cross multiply
    28,476.88x = 42,697.98 × 14,618.32
  4. Step 4: Simplify right side
    28,476.88x = 624,172,734.99
  5. Step 5: Solve for x
    x = 624,172,734.99/28,476.88
  6. Step 6: Final answer
    x = 21,918.58

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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.