Home / 28,862.56-39,818.28-19,434.16

Finding the Fourth Proportional to 28,862.56, 39,818.28 and 19,434.16

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Solution

The fourth proportional to 28,862.56, 39,818.28 and 19,434.16 is: 26,811.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,862.56 : 39,818.28 = 19,434.16 : x
  2. Step 2: Convert to fraction form
    28,862.56/39,818.28 = 19,434.16/x
  3. Step 3: Cross multiply
    28,862.56x = 39,818.28 × 19,434.16
  4. Step 4: Simplify right side
    28,862.56x = 773,834,824.44
  5. Step 5: Solve for x
    x = 773,834,824.44/28,862.56
  6. Step 6: Final answer
    x = 26,811.03

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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.