Home / 28,047.16-42,026.76-17,637.04

Finding the Fourth Proportional to 28,047.16, 42,026.76 and 17,637.04

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Solution

The fourth proportional to 28,047.16, 42,026.76 and 17,637.04 is: 26,427.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,047.16 : 42,026.76 = 17,637.04 : x
  2. Step 2: Convert to fraction form
    28,047.16/42,026.76 = 17,637.04/x
  3. Step 3: Cross multiply
    28,047.16x = 42,026.76 × 17,637.04
  4. Step 4: Simplify right side
    28,047.16x = 741,227,647.19
  5. Step 5: Solve for x
    x = 741,227,647.19/28,047.16
  6. Step 6: Final answer
    x = 26,427.90

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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.