Home / 28,582.77-39,452.57-18,510.83

Finding the Fourth Proportional to 28,582.77, 39,452.57 and 18,510.83

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Solution

The fourth proportional to 28,582.77, 39,452.57 and 18,510.83 is: 25,550.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,582.77 : 39,452.57 = 18,510.83 : x
  2. Step 2: Convert to fraction form
    28,582.77/39,452.57 = 18,510.83/x
  3. Step 3: Cross multiply
    28,582.77x = 39,452.57 × 18,510.83
  4. Step 4: Simplify right side
    28,582.77x = 730,299,526.52
  5. Step 5: Solve for x
    x = 730,299,526.52/28,582.77
  6. Step 6: Final answer
    x = 25,550.34

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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.