Home / 28,578.02-39,448.02-23,263.61

Finding the Fourth Proportional to 28,578.02, 39,448.02 and 23,263.61

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Solution

The fourth proportional to 28,578.02, 39,448.02 and 23,263.61 is: 32,112.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,578.02 : 39,448.02 = 23,263.61 : x
  2. Step 2: Convert to fraction form
    28,578.02/39,448.02 = 23,263.61/x
  3. Step 3: Cross multiply
    28,578.02x = 39,448.02 × 23,263.61
  4. Step 4: Simplify right side
    28,578.02x = 917,703,038.99
  5. Step 5: Solve for x
    x = 917,703,038.99/28,578.02
  6. Step 6: Final answer
    x = 32,112.20

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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.