Home / 20,545.83-28,354.52-11,590.06

Finding the Fourth Proportional to 20,545.83, 28,354.52 and 11,590.06

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Solution

The fourth proportional to 20,545.83, 28,354.52 and 11,590.06 is: 15,995.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,545.83 : 28,354.52 = 11,590.06 : x
  2. Step 2: Convert to fraction form
    20,545.83/28,354.52 = 11,590.06/x
  3. Step 3: Cross multiply
    20,545.83x = 28,354.52 × 11,590.06
  4. Step 4: Simplify right side
    20,545.83x = 328,630,588.07
  5. Step 5: Solve for x
    x = 328,630,588.07/20,545.83
  6. Step 6: Final answer
    x = 15,995.00

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.