Home / 28,422.91-42,634.91-9,707.23

Finding the Fourth Proportional to 28,422.91, 42,634.91 and 9,707.23

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Solution

The fourth proportional to 28,422.91, 42,634.91 and 9,707.23 is: 14,561.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,422.91 : 42,634.91 = 9,707.23 : x
  2. Step 2: Convert to fraction form
    28,422.91/42,634.91 = 9,707.23/x
  3. Step 3: Cross multiply
    28,422.91x = 42,634.91 × 9,707.23
  4. Step 4: Simplify right side
    28,422.91x = 413,866,877.40
  5. Step 5: Solve for x
    x = 413,866,877.40/28,422.91
  6. Step 6: Final answer
    x = 14,561.03

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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.