Home / 28,625.28-42,870.04-22,683.06

Finding the Fourth Proportional to 28,625.28, 42,870.04 and 22,683.06

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Solution

The fourth proportional to 28,625.28, 42,870.04 and 22,683.06 is: 33,970.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,625.28 : 42,870.04 = 22,683.06 : x
  2. Step 2: Convert to fraction form
    28,625.28/42,870.04 = 22,683.06/x
  3. Step 3: Cross multiply
    28,625.28x = 42,870.04 × 22,683.06
  4. Step 4: Simplify right side
    28,625.28x = 972,423,561.84
  5. Step 5: Solve for x
    x = 972,423,561.84/28,625.28
  6. Step 6: Final answer
    x = 33,970.80

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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.