Home / 28,448.16-42,677.74-10,916.62

Finding the Fourth Proportional to 28,448.16, 42,677.74 and 10,916.62

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Solution

The fourth proportional to 28,448.16, 42,677.74 and 10,916.62 is: 16,377.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,448.16 : 42,677.74 = 10,916.62 : x
  2. Step 2: Convert to fraction form
    28,448.16/42,677.74 = 10,916.62/x
  3. Step 3: Cross multiply
    28,448.16x = 42,677.74 × 10,916.62
  4. Step 4: Simplify right side
    28,448.16x = 465,896,670.04
  5. Step 5: Solve for x
    x = 465,896,670.04/28,448.16
  6. Step 6: Final answer
    x = 16,377.04

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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.