Home / 28,177.10-38,888.62-17,570.16

Finding the Fourth Proportional to 28,177.10, 38,888.62 and 17,570.16

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Solution

The fourth proportional to 28,177.10, 38,888.62 and 17,570.16 is: 24,249.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,177.10 : 38,888.62 = 17,570.16 : x
  2. Step 2: Convert to fraction form
    28,177.10/38,888.62 = 17,570.16/x
  3. Step 3: Cross multiply
    28,177.10x = 38,888.62 × 17,570.16
  4. Step 4: Simplify right side
    28,177.10x = 683,279,275.58
  5. Step 5: Solve for x
    x = 683,279,275.58/28,177.10
  6. Step 6: Final answer
    x = 24,249.45

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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.