Home / 28,033.28-42,050.88-9,314.24

Finding the Fourth Proportional to 28,033.28, 42,050.88 and 9,314.24

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Solution

The fourth proportional to 28,033.28, 42,050.88 and 9,314.24 is: 13,971.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,033.28 : 42,050.88 = 9,314.24 : x
  2. Step 2: Convert to fraction form
    28,033.28/42,050.88 = 9,314.24/x
  3. Step 3: Cross multiply
    28,033.28x = 42,050.88 × 9,314.24
  4. Step 4: Simplify right side
    28,033.28x = 391,671,988.53
  5. Step 5: Solve for x
    x = 391,671,988.53/28,033.28
  6. Step 6: Final answer
    x = 13,971.68

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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.