Home / 28,192.63-42,270.55-9,214.93

Finding the Fourth Proportional to 28,192.63, 42,270.55 and 9,214.93

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Solution

The fourth proportional to 28,192.63, 42,270.55 and 9,214.93 is: 13,816.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,192.63 : 42,270.55 = 9,214.93 : x
  2. Step 2: Convert to fraction form
    28,192.63/42,270.55 = 9,214.93/x
  3. Step 3: Cross multiply
    28,192.63x = 42,270.55 × 9,214.93
  4. Step 4: Simplify right side
    28,192.63x = 389,520,159.31
  5. Step 5: Solve for x
    x = 389,520,159.31/28,192.63
  6. Step 6: Final answer
    x = 13,816.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.