Home / 28,885.75-43,328.63-10,417.75

Finding the Fourth Proportional to 28,885.75, 43,328.63 and 10,417.75

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Solution

The fourth proportional to 28,885.75, 43,328.63 and 10,417.75 is: 15,626.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,885.75 : 43,328.63 = 10,417.75 : x
  2. Step 2: Convert to fraction form
    28,885.75/43,328.63 = 10,417.75/x
  3. Step 3: Cross multiply
    28,885.75x = 43,328.63 × 10,417.75
  4. Step 4: Simplify right side
    28,885.75x = 451,386,835.18
  5. Step 5: Solve for x
    x = 451,386,835.18/28,885.75
  6. Step 6: Final answer
    x = 15,626.63

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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.