Home / 28,466.62-39,282.51-15,888.94

Finding the Fourth Proportional to 28,466.62, 39,282.51 and 15,888.94

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Solution

The fourth proportional to 28,466.62, 39,282.51 and 15,888.94 is: 21,925.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,466.62 : 39,282.51 = 15,888.94 : x
  2. Step 2: Convert to fraction form
    28,466.62/39,282.51 = 15,888.94/x
  3. Step 3: Cross multiply
    28,466.62x = 39,282.51 × 15,888.94
  4. Step 4: Simplify right side
    28,466.62x = 624,157,444.44
  5. Step 5: Solve for x
    x = 624,157,444.44/28,466.62
  6. Step 6: Final answer
    x = 21,925.94

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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.