Home / 28,322.52-42,490.98-26,543.64

Finding the Fourth Proportional to 28,322.52, 42,490.98 and 26,543.64

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Solution

The fourth proportional to 28,322.52, 42,490.98 and 26,543.64 is: 39,822.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,322.52 : 42,490.98 = 26,543.64 : x
  2. Step 2: Convert to fraction form
    28,322.52/42,490.98 = 26,543.64/x
  3. Step 3: Cross multiply
    28,322.52x = 42,490.98 × 26,543.64
  4. Step 4: Simplify right side
    28,322.52x = 1,127,865,276.37
  5. Step 5: Solve for x
    x = 1,127,865,276.37/28,322.52
  6. Step 6: Final answer
    x = 39,822.21

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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.