Home / 27,488.16-37,925.28-16,871.04

Finding the Fourth Proportional to 27,488.16, 37,925.28 and 16,871.04

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Solution

The fourth proportional to 27,488.16, 37,925.28 and 16,871.04 is: 23,276.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,488.16 : 37,925.28 = 16,871.04 : x
  2. Step 2: Convert to fraction form
    27,488.16/37,925.28 = 16,871.04/x
  3. Step 3: Cross multiply
    27,488.16x = 37,925.28 × 16,871.04
  4. Step 4: Simplify right side
    27,488.16x = 639,838,915.89
  5. Step 5: Solve for x
    x = 639,838,915.89/27,488.16
  6. Step 6: Final answer
    x = 23,276.89

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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.