Home / 28,450.76-39,280.55-25,461.45

Finding the Fourth Proportional to 28,450.76, 39,280.55 and 25,461.45

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Solution

The fourth proportional to 28,450.76, 39,280.55 and 25,461.45 is: 35,153.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,450.76 : 39,280.55 = 25,461.45 : x
  2. Step 2: Convert to fraction form
    28,450.76/39,280.55 = 25,461.45/x
  3. Step 3: Cross multiply
    28,450.76x = 39,280.55 × 25,461.45
  4. Step 4: Simplify right side
    28,450.76x = 1,000,139,632.49
  5. Step 5: Solve for x
    x = 1,000,139,632.49/28,450.76
  6. Step 6: Final answer
    x = 35,153.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.