Home / 28,045.63-38,682.66-19,077.22

Finding the Fourth Proportional to 28,045.63, 38,682.66 and 19,077.22

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Solution

The fourth proportional to 28,045.63, 38,682.66 and 19,077.22 is: 26,312.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,045.63 : 38,682.66 = 19,077.22 : x
  2. Step 2: Convert to fraction form
    28,045.63/38,682.66 = 19,077.22/x
  3. Step 3: Cross multiply
    28,045.63x = 38,682.66 × 19,077.22
  4. Step 4: Simplify right side
    28,045.63x = 737,957,615.01
  5. Step 5: Solve for x
    x = 737,957,615.01/28,045.63
  6. Step 6: Final answer
    x = 26,312.75

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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.