Home / 28,698.05-42,921.16-25,557.63

Finding the Fourth Proportional to 28,698.05, 42,921.16 and 25,557.63

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Solution

The fourth proportional to 28,698.05, 42,921.16 and 25,557.63 is: 38,224.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,698.05 : 42,921.16 = 25,557.63 : x
  2. Step 2: Convert to fraction form
    28,698.05/42,921.16 = 25,557.63/x
  3. Step 3: Cross multiply
    28,698.05x = 42,921.16 × 25,557.63
  4. Step 4: Simplify right side
    28,698.05x = 1,096,963,126.45
  5. Step 5: Solve for x
    x = 1,096,963,126.45/28,698.05
  6. Step 6: Final answer
    x = 38,224.32

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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.