Home / 28,356.67-39,124.99-18,927.06

Finding the Fourth Proportional to 28,356.67, 39,124.99 and 18,927.06

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Solution

The fourth proportional to 28,356.67, 39,124.99 and 18,927.06 is: 26,114.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,356.67 : 39,124.99 = 18,927.06 : x
  2. Step 2: Convert to fraction form
    28,356.67/39,124.99 = 18,927.06/x
  3. Step 3: Cross multiply
    28,356.67x = 39,124.99 × 18,927.06
  4. Step 4: Simplify right side
    28,356.67x = 740,521,033.23
  5. Step 5: Solve for x
    x = 740,521,033.23/28,356.67
  6. Step 6: Final answer
    x = 26,114.53

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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.