Home / 28,228.77-38,867.04-23,970.87

Finding the Fourth Proportional to 28,228.77, 38,867.04 and 23,970.87

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Solution

The fourth proportional to 28,228.77, 38,867.04 and 23,970.87 is: 33,004.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,228.77 : 38,867.04 = 23,970.87 : x
  2. Step 2: Convert to fraction form
    28,228.77/38,867.04 = 23,970.87/x
  3. Step 3: Cross multiply
    28,228.77x = 38,867.04 × 23,970.87
  4. Step 4: Simplify right side
    28,228.77x = 931,676,763.12
  5. Step 5: Solve for x
    x = 931,676,763.12/28,228.77
  6. Step 6: Final answer
    x = 33,004.51

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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.