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Finding the Fourth Proportional to 20,000.00, 27,602.65 and 19,342.82

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Solution

The fourth proportional to 20,000.00, 27,602.65 and 19,342.82 is: 26,695.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,000.00 : 27,602.65 = 19,342.82 : x
  2. Step 2: Convert to fraction form
    20,000.00/27,602.65 = 19,342.82/x
  3. Step 3: Cross multiply
    20,000.00x = 27,602.65 × 19,342.82
  4. Step 4: Simplify right side
    20,000.00x = 533,913,111.12
  5. Step 5: Solve for x
    x = 533,913,111.12/20,000.00
  6. Step 6: Final answer
    x = 26,695.66

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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.