Home / 28,381.58-42,506.76-27,397.43

Finding the Fourth Proportional to 28,381.58, 42,506.76 and 27,397.43

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Solution

The fourth proportional to 28,381.58, 42,506.76 and 27,397.43 is: 41,032.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,381.58 : 42,506.76 = 27,397.43 : x
  2. Step 2: Convert to fraction form
    28,381.58/42,506.76 = 27,397.43/x
  3. Step 3: Cross multiply
    28,381.58x = 42,506.76 × 27,397.43
  4. Step 4: Simplify right side
    28,381.58x = 1,164,575,981.63
  5. Step 5: Solve for x
    x = 1,164,575,981.63/28,381.58
  6. Step 6: Final answer
    x = 41,032.81

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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.