Home / 28,012.94-42,026.70-10,484.16

Finding the Fourth Proportional to 28,012.94, 42,026.70 and 10,484.16

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Solution

The fourth proportional to 28,012.94, 42,026.70 and 10,484.16 is: 15,728.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,012.94 : 42,026.70 = 10,484.16 : x
  2. Step 2: Convert to fraction form
    28,012.94/42,026.70 = 10,484.16/x
  3. Step 3: Cross multiply
    28,012.94x = 42,026.70 × 10,484.16
  4. Step 4: Simplify right side
    28,012.94x = 440,614,647.07
  5. Step 5: Solve for x
    x = 440,614,647.07/28,012.94
  6. Step 6: Final answer
    x = 15,728.97

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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.