Home / 28,410.84-39,206.16-17,806.32

Finding the Fourth Proportional to 28,410.84, 39,206.16 and 17,806.32

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Solution

The fourth proportional to 28,410.84, 39,206.16 and 17,806.32 is: 24,572.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,410.84 : 39,206.16 = 17,806.32 : x
  2. Step 2: Convert to fraction form
    28,410.84/39,206.16 = 17,806.32/x
  3. Step 3: Cross multiply
    28,410.84x = 39,206.16 × 17,806.32
  4. Step 4: Simplify right side
    28,410.84x = 698,117,430.93
  5. Step 5: Solve for x
    x = 698,117,430.93/28,410.84
  6. Step 6: Final answer
    x = 24,572.22

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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.