Home / 38,013.98-52,457.75-21,017.15

Finding the Fourth Proportional to 38,013.98, 52,457.75 and 21,017.15

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Solution

The fourth proportional to 38,013.98, 52,457.75 and 21,017.15 is: 29,002.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,013.98 : 52,457.75 = 21,017.15 : x
  2. Step 2: Convert to fraction form
    38,013.98/52,457.75 = 21,017.15/x
  3. Step 3: Cross multiply
    38,013.98x = 52,457.75 × 21,017.15
  4. Step 4: Simplify right side
    38,013.98x = 1,102,512,033.04
  5. Step 5: Solve for x
    x = 1,102,512,033.04/38,013.98
  6. Step 6: Final answer
    x = 29,002.80

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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.