Home / 28,967.24-39,995.16-22,600.70

Finding the Fourth Proportional to 28,967.24, 39,995.16 and 22,600.70

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Solution

The fourth proportional to 28,967.24, 39,995.16 and 22,600.70 is: 31,204.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,967.24 : 39,995.16 = 22,600.70 : x
  2. Step 2: Convert to fraction form
    28,967.24/39,995.16 = 22,600.70/x
  3. Step 3: Cross multiply
    28,967.24x = 39,995.16 × 22,600.70
  4. Step 4: Simplify right side
    28,967.24x = 903,918,612.61
  5. Step 5: Solve for x
    x = 903,918,612.61/28,967.24
  6. Step 6: Final answer
    x = 31,204.86

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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.