Home / 27,948.16-38,574.96-16,018.24

Finding the Fourth Proportional to 27,948.16, 38,574.96 and 16,018.24

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Solution

The fourth proportional to 27,948.16, 38,574.96 and 16,018.24 is: 22,108.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,948.16 : 38,574.96 = 16,018.24 : x
  2. Step 2: Convert to fraction form
    27,948.16/38,574.96 = 16,018.24/x
  3. Step 3: Cross multiply
    27,948.16x = 38,574.96 × 16,018.24
  4. Step 4: Simplify right side
    27,948.16x = 617,902,967.27
  5. Step 5: Solve for x
    x = 617,902,967.27/27,948.16
  6. Step 6: Final answer
    x = 22,108.90

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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.