Home / 28,559.32-39,416.54-19,599.46

Finding the Fourth Proportional to 28,559.32, 39,416.54 and 19,599.46

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Solution

The fourth proportional to 28,559.32, 39,416.54 and 19,599.46 is: 27,050.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,559.32 : 39,416.54 = 19,599.46 : x
  2. Step 2: Convert to fraction form
    28,559.32/39,416.54 = 19,599.46/x
  3. Step 3: Cross multiply
    28,559.32x = 39,416.54 × 19,599.46
  4. Step 4: Simplify right side
    28,559.32x = 772,542,899.07
  5. Step 5: Solve for x
    x = 772,542,899.07/28,559.32
  6. Step 6: Final answer
    x = 27,050.47

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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.