Home / 28,040.52-38,695.77-15,465.27

Finding the Fourth Proportional to 28,040.52, 38,695.77 and 15,465.27

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Solution

The fourth proportional to 28,040.52, 38,695.77 and 15,465.27 is: 21,341.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,040.52 : 38,695.77 = 15,465.27 : x
  2. Step 2: Convert to fraction form
    28,040.52/38,695.77 = 15,465.27/x
  3. Step 3: Cross multiply
    28,040.52x = 38,695.77 × 15,465.27
  4. Step 4: Simplify right side
    28,040.52x = 598,440,530.91
  5. Step 5: Solve for x
    x = 598,440,530.91/28,040.52
  6. Step 6: Final answer
    x = 21,341.99

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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.