Home / 28,055.53-42,083.30-10,513.06

Finding the Fourth Proportional to 28,055.53, 42,083.30 and 10,513.06

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Solution

The fourth proportional to 28,055.53, 42,083.30 and 10,513.06 is: 15,769.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,055.53 : 42,083.30 = 10,513.06 : x
  2. Step 2: Convert to fraction form
    28,055.53/42,083.30 = 10,513.06/x
  3. Step 3: Cross multiply
    28,055.53x = 42,083.30 × 10,513.06
  4. Step 4: Simplify right side
    28,055.53x = 442,424,119.84
  5. Step 5: Solve for x
    x = 442,424,119.84/28,055.53
  6. Step 6: Final answer
    x = 15,769.59

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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.