Home / 28,036.02-42,053.49-7,258.98

Finding the Fourth Proportional to 28,036.02, 42,053.49 and 7,258.98

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Solution

The fourth proportional to 28,036.02, 42,053.49 and 7,258.98 is: 10,888.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,036.02 : 42,053.49 = 7,258.98 : x
  2. Step 2: Convert to fraction form
    28,036.02/42,053.49 = 7,258.98/x
  3. Step 3: Cross multiply
    28,036.02x = 42,053.49 × 7,258.98
  4. Step 4: Simplify right side
    28,036.02x = 305,265,442.84
  5. Step 5: Solve for x
    x = 305,265,442.84/28,036.02
  6. Step 6: Final answer
    x = 10,888.33

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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.