Home / 25,688.32-38,516.06-19,028.90

Finding the Fourth Proportional to 25,688.32, 38,516.06 and 19,028.90

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Solution

The fourth proportional to 25,688.32, 38,516.06 and 19,028.90 is: 28,531.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,688.32 : 38,516.06 = 19,028.90 : x
  2. Step 2: Convert to fraction form
    25,688.32/38,516.06 = 19,028.90/x
  3. Step 3: Cross multiply
    25,688.32x = 38,516.06 × 19,028.90
  4. Step 4: Simplify right side
    25,688.32x = 732,918,254.13
  5. Step 5: Solve for x
    x = 732,918,254.13/25,688.32
  6. Step 6: Final answer
    x = 28,531.19

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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.