Home / 28,343.40-42,515.10-25,062.90

Finding the Fourth Proportional to 28,343.40, 42,515.10 and 25,062.90

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Solution

The fourth proportional to 28,343.40, 42,515.10 and 25,062.90 is: 37,594.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,343.40 : 42,515.10 = 25,062.90 : x
  2. Step 2: Convert to fraction form
    28,343.40/42,515.10 = 25,062.90/x
  3. Step 3: Cross multiply
    28,343.40x = 42,515.10 × 25,062.90
  4. Step 4: Simplify right side
    28,343.40x = 1,065,551,699.79
  5. Step 5: Solve for x
    x = 1,065,551,699.79/28,343.40
  6. Step 6: Final answer
    x = 37,594.35

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1.5x scale

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.