Home / 28,799.61-39,731.73-19,113.63

Finding the Fourth Proportional to 28,799.61, 39,731.73 and 19,113.63

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Solution

The fourth proportional to 28,799.61, 39,731.73 and 19,113.63 is: 26,369.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,799.61 : 39,731.73 = 19,113.63 : x
  2. Step 2: Convert to fraction form
    28,799.61/39,731.73 = 19,113.63/x
  3. Step 3: Cross multiply
    28,799.61x = 39,731.73 × 19,113.63
  4. Step 4: Simplify right side
    28,799.61x = 759,417,586.48
  5. Step 5: Solve for x
    x = 759,417,586.48/28,799.61
  6. Step 6: Final answer
    x = 26,369.02

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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.