Home / 28,646.49-42,986.75-15,498.57

Finding the Fourth Proportional to 28,646.49, 42,986.75 and 15,498.57

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Solution

The fourth proportional to 28,646.49, 42,986.75 and 15,498.57 is: 23,257.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,646.49 : 42,986.75 = 15,498.57 : x
  2. Step 2: Convert to fraction form
    28,646.49/42,986.75 = 15,498.57/x
  3. Step 3: Cross multiply
    28,646.49x = 42,986.75 × 15,498.57
  4. Step 4: Simplify right side
    28,646.49x = 666,233,076.45
  5. Step 5: Solve for x
    x = 666,233,076.45/28,646.49
  6. Step 6: Final answer
    x = 23,257.06

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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.