Home / 28,088.10-38,758.77-15,512.04

Finding the Fourth Proportional to 28,088.10, 38,758.77 and 15,512.04

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Solution

The fourth proportional to 28,088.10, 38,758.77 and 15,512.04 is: 21,405.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,088.10 : 38,758.77 = 15,512.04 : x
  2. Step 2: Convert to fraction form
    28,088.10/38,758.77 = 15,512.04/x
  3. Step 3: Cross multiply
    28,088.10x = 38,758.77 × 15,512.04
  4. Step 4: Simplify right side
    28,088.10x = 601,227,590.59
  5. Step 5: Solve for x
    x = 601,227,590.59/28,088.10
  6. Step 6: Final answer
    x = 21,405.06

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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.