Home / 28,506.56-39,341.43-18,929.52

Finding the Fourth Proportional to 28,506.56, 39,341.43 and 18,929.52

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Solution

The fourth proportional to 28,506.56, 39,341.43 and 18,929.52 is: 26,124.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,506.56 : 39,341.43 = 18,929.52 : x
  2. Step 2: Convert to fraction form
    28,506.56/39,341.43 = 18,929.52/x
  3. Step 3: Cross multiply
    28,506.56x = 39,341.43 × 18,929.52
  4. Step 4: Simplify right side
    28,506.56x = 744,714,386.01
  5. Step 5: Solve for x
    x = 744,714,386.01/28,506.56
  6. Step 6: Final answer
    x = 26,124.32

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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.