Home / 27,438.51-37,830.72-22,397.61

Finding the Fourth Proportional to 27,438.51, 37,830.72 and 22,397.61

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Solution

The fourth proportional to 27,438.51, 37,830.72 and 22,397.61 is: 30,880.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,438.51 : 37,830.72 = 22,397.61 : x
  2. Step 2: Convert to fraction form
    27,438.51/37,830.72 = 22,397.61/x
  3. Step 3: Cross multiply
    27,438.51x = 37,830.72 × 22,397.61
  4. Step 4: Simplify right side
    27,438.51x = 847,317,712.58
  5. Step 5: Solve for x
    x = 847,317,712.58/27,438.51
  6. Step 6: Final answer
    x = 30,880.60

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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.