Home / 28,782.64-39,640.62-24,802.30

Finding the Fourth Proportional to 28,782.64, 39,640.62 and 24,802.30

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Solution

The fourth proportional to 28,782.64, 39,640.62 and 24,802.30 is: 34,158.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,782.64 : 39,640.62 = 24,802.30 : x
  2. Step 2: Convert to fraction form
    28,782.64/39,640.62 = 24,802.30/x
  3. Step 3: Cross multiply
    28,782.64x = 39,640.62 × 24,802.30
  4. Step 4: Simplify right side
    28,782.64x = 983,178,549.43
  5. Step 5: Solve for x
    x = 983,178,549.43/28,782.64
  6. Step 6: Final answer
    x = 34,158.73

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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.