Home / 28,713.69-39,622.50-15,965.24

Finding the Fourth Proportional to 28,713.69, 39,622.50 and 15,965.24

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Solution

The fourth proportional to 28,713.69, 39,622.50 and 15,965.24 is: 22,030.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,713.69 : 39,622.50 = 15,965.24 : x
  2. Step 2: Convert to fraction form
    28,713.69/39,622.50 = 15,965.24/x
  3. Step 3: Cross multiply
    28,713.69x = 39,622.50 × 15,965.24
  4. Step 4: Simplify right side
    28,713.69x = 632,582,523.79
  5. Step 5: Solve for x
    x = 632,582,523.79/28,713.69
  6. Step 6: Final answer
    x = 22,030.69

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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.