Home / 28,823.51-43,235.10-13,417.18

Finding the Fourth Proportional to 28,823.51, 43,235.10 and 13,417.18

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Solution

The fourth proportional to 28,823.51, 43,235.10 and 13,417.18 is: 20,125.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,823.51 : 43,235.10 = 13,417.18 : x
  2. Step 2: Convert to fraction form
    28,823.51/43,235.10 = 13,417.18/x
  3. Step 3: Cross multiply
    28,823.51x = 43,235.10 × 13,417.18
  4. Step 4: Simplify right side
    28,823.51x = 580,093,010.93
  5. Step 5: Solve for x
    x = 580,093,010.93/28,823.51
  6. Step 6: Final answer
    x = 20,125.69

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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.