Home / 28,526.87-39,355.02-19,098.47

Finding the Fourth Proportional to 28,526.87, 39,355.02 and 19,098.47

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Solution

The fourth proportional to 28,526.87, 39,355.02 and 19,098.47 is: 26,347.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,526.87 : 39,355.02 = 19,098.47 : x
  2. Step 2: Convert to fraction form
    28,526.87/39,355.02 = 19,098.47/x
  3. Step 3: Cross multiply
    28,526.87x = 39,355.02 × 19,098.47
  4. Step 4: Simplify right side
    28,526.87x = 751,620,767.21
  5. Step 5: Solve for x
    x = 751,620,767.21/28,526.87
  6. Step 6: Final answer
    x = 26,347.82

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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.