Home / 20,730.04-28,625.34-17,775.16

Finding the Fourth Proportional to 20,730.04, 28,625.34 and 17,775.16

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Solution

The fourth proportional to 20,730.04, 28,625.34 and 17,775.16 is: 24,545.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,730.04 : 28,625.34 = 17,775.16 : x
  2. Step 2: Convert to fraction form
    20,730.04/28,625.34 = 17,775.16/x
  3. Step 3: Cross multiply
    20,730.04x = 28,625.34 × 17,775.16
  4. Step 4: Simplify right side
    20,730.04x = 508,819,998.55
  5. Step 5: Solve for x
    x = 508,819,998.55/20,730.04
  6. Step 6: Final answer
    x = 24,545.06

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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.