Home / 27,848.64-38,433.93-15,913.74

Finding the Fourth Proportional to 27,848.64, 38,433.93 and 15,913.74

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Solution

The fourth proportional to 27,848.64, 38,433.93 and 15,913.74 is: 21,962.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,848.64 : 38,433.93 = 15,913.74 : x
  2. Step 2: Convert to fraction form
    27,848.64/38,433.93 = 15,913.74/x
  3. Step 3: Cross multiply
    27,848.64x = 38,433.93 × 15,913.74
  4. Step 4: Simplify right side
    27,848.64x = 611,627,569.20
  5. Step 5: Solve for x
    x = 611,627,569.20/27,848.64
  6. Step 6: Final answer
    x = 21,962.57

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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.