Home / 28,574.57-39,411.26-25,031.63

Finding the Fourth Proportional to 28,574.57, 39,411.26 and 25,031.63

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Solution

The fourth proportional to 28,574.57, 39,411.26 and 25,031.63 is: 34,524.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,574.57 : 39,411.26 = 25,031.63 : x
  2. Step 2: Convert to fraction form
    28,574.57/39,411.26 = 25,031.63/x
  3. Step 3: Cross multiply
    28,574.57x = 39,411.26 × 25,031.63
  4. Step 4: Simplify right side
    28,574.57x = 986,528,145.39
  5. Step 5: Solve for x
    x = 986,528,145.39/28,574.57
  6. Step 6: Final answer
    x = 34,524.69

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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.