Home / 28,032.24-38,690.35-27,143.47

Finding the Fourth Proportional to 28,032.24, 38,690.35 and 27,143.47

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Solution

The fourth proportional to 28,032.24, 38,690.35 and 27,143.47 is: 37,463.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,032.24 : 38,690.35 = 27,143.47 : x
  2. Step 2: Convert to fraction form
    28,032.24/38,690.35 = 27,143.47/x
  3. Step 3: Cross multiply
    28,032.24x = 38,690.35 × 27,143.47
  4. Step 4: Simplify right side
    28,032.24x = 1,050,190,335.02
  5. Step 5: Solve for x
    x = 1,050,190,335.02/28,032.24
  6. Step 6: Final answer
    x = 37,463.66

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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.