Home / 27,925.06-38,536.85-15,178.28

Finding the Fourth Proportional to 27,925.06, 38,536.85 and 15,178.28

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Solution

The fourth proportional to 27,925.06, 38,536.85 and 15,178.28 is: 20,946.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,925.06 : 38,536.85 = 15,178.28 : x
  2. Step 2: Convert to fraction form
    27,925.06/38,536.85 = 15,178.28/x
  3. Step 3: Cross multiply
    27,925.06x = 38,536.85 × 15,178.28
  4. Step 4: Simplify right side
    27,925.06x = 584,922,886.60
  5. Step 5: Solve for x
    x = 584,922,886.60/27,925.06
  6. Step 6: Final answer
    x = 20,946.16

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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.