Home / 27,792.35-38,353.40-15,045.47

Finding the Fourth Proportional to 27,792.35, 38,353.40 and 15,045.47

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Solution

The fourth proportional to 27,792.35, 38,353.40 and 15,045.47 is: 20,762.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,792.35 : 38,353.40 = 15,045.47 : x
  2. Step 2: Convert to fraction form
    27,792.35/38,353.40 = 15,045.47/x
  3. Step 3: Cross multiply
    27,792.35x = 38,353.40 × 15,045.47
  4. Step 4: Simplify right side
    27,792.35x = 577,044,929.10
  5. Step 5: Solve for x
    x = 577,044,929.10/27,792.35
  6. Step 6: Final answer
    x = 20,762.73

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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.