Home / 28,270.67-42,411.47-10,752.80

Finding the Fourth Proportional to 28,270.67, 42,411.47 and 10,752.80

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Solution

The fourth proportional to 28,270.67, 42,411.47 and 10,752.80 is: 16,131.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,270.67 : 42,411.47 = 10,752.80 : x
  2. Step 2: Convert to fraction form
    28,270.67/42,411.47 = 10,752.80/x
  3. Step 3: Cross multiply
    28,270.67x = 42,411.47 × 10,752.80
  4. Step 4: Simplify right side
    28,270.67x = 456,041,788.79
  5. Step 5: Solve for x
    x = 456,041,788.79/28,270.67
  6. Step 6: Final answer
    x = 16,131.27

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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.