Home / 28,838.84-43,258.26-15,697.40

Finding the Fourth Proportional to 28,838.84, 43,258.26 and 15,697.40

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Solution

The fourth proportional to 28,838.84, 43,258.26 and 15,697.40 is: 23,546.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,838.84 : 43,258.26 = 15,697.40 : x
  2. Step 2: Convert to fraction form
    28,838.84/43,258.26 = 15,697.40/x
  3. Step 3: Cross multiply
    28,838.84x = 43,258.26 × 15,697.40
  4. Step 4: Simplify right side
    28,838.84x = 679,042,210.52
  5. Step 5: Solve for x
    x = 679,042,210.52/28,838.84
  6. Step 6: Final answer
    x = 23,546.10

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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.