Home / 28,590.74-39,405.98-19,013.52

Finding the Fourth Proportional to 28,590.74, 39,405.98 and 19,013.52

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Solution

The fourth proportional to 28,590.74, 39,405.98 and 19,013.52 is: 26,205.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,590.74 : 39,405.98 = 19,013.52 : x
  2. Step 2: Convert to fraction form
    28,590.74/39,405.98 = 19,013.52/x
  3. Step 3: Cross multiply
    28,590.74x = 39,405.98 × 19,013.52
  4. Step 4: Simplify right side
    28,590.74x = 749,246,477.20
  5. Step 5: Solve for x
    x = 749,246,477.20/28,590.74
  6. Step 6: Final answer
    x = 26,205.91

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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.