Home / 22,685.40-33,875.10-18,533.52

Finding the Fourth Proportional to 22,685.40, 33,875.10 and 18,533.52

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Solution

The fourth proportional to 22,685.40, 33,875.10 and 18,533.52 is: 27,675.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,685.40 : 33,875.10 = 18,533.52 : x
  2. Step 2: Convert to fraction form
    22,685.40/33,875.10 = 18,533.52/x
  3. Step 3: Cross multiply
    22,685.40x = 33,875.10 × 18,533.52
  4. Step 4: Simplify right side
    22,685.40x = 627,824,843.35
  5. Step 5: Solve for x
    x = 627,824,843.35/22,685.40
  6. Step 6: Final answer
    x = 27,675.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.