Home / 52,699.48-72,723.12-28,827.16

Finding the Fourth Proportional to 52,699.48, 72,723.12 and 28,827.16

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Solution

The fourth proportional to 52,699.48, 72,723.12 and 28,827.16 is: 39,780.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,699.48 : 72,723.12 = 28,827.16 : x
  2. Step 2: Convert to fraction form
    52,699.48/72,723.12 = 28,827.16/x
  3. Step 3: Cross multiply
    52,699.48x = 72,723.12 × 28,827.16
  4. Step 4: Simplify right side
    52,699.48x = 2,096,400,726.03
  5. Step 5: Solve for x
    x = 2,096,400,726.03/52,699.48
  6. Step 6: Final answer
    x = 39,780.29

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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.