Home / 28,632.51-42,962.31-13,833.12

Finding the Fourth Proportional to 28,632.51, 42,962.31 and 13,833.12

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Solution

The fourth proportional to 28,632.51, 42,962.31 and 13,833.12 is: 20,756.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,632.51 : 42,962.31 = 13,833.12 : x
  2. Step 2: Convert to fraction form
    28,632.51/42,962.31 = 13,833.12/x
  3. Step 3: Cross multiply
    28,632.51x = 42,962.31 × 13,833.12
  4. Step 4: Simplify right side
    28,632.51x = 594,302,789.71
  5. Step 5: Solve for x
    x = 594,302,789.71/28,632.51
  6. Step 6: Final answer
    x = 20,756.22

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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.