Home / 22,386.40-33,579.52-21,894.32

Finding the Fourth Proportional to 22,386.40, 33,579.52 and 21,894.32

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Solution

The fourth proportional to 22,386.40, 33,579.52 and 21,894.32 is: 32,841.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,386.40 : 33,579.52 = 21,894.32 : x
  2. Step 2: Convert to fraction form
    22,386.40/33,579.52 = 21,894.32/x
  3. Step 3: Cross multiply
    22,386.40x = 33,579.52 × 21,894.32
  4. Step 4: Simplify right side
    22,386.40x = 735,200,756.33
  5. Step 5: Solve for x
    x = 735,200,756.33/22,386.40
  6. Step 6: Final answer
    x = 32,841.40

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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.