Home / 25,931.64-38,897.19-8,401.08

Finding the Fourth Proportional to 25,931.64, 38,897.19 and 8,401.08

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Solution

The fourth proportional to 25,931.64, 38,897.19 and 8,401.08 is: 12,601.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,931.64 : 38,897.19 = 8,401.08 : x
  2. Step 2: Convert to fraction form
    25,931.64/38,897.19 = 8,401.08/x
  3. Step 3: Cross multiply
    25,931.64x = 38,897.19 × 8,401.08
  4. Step 4: Simplify right side
    25,931.64x = 326,778,404.97
  5. Step 5: Solve for x
    x = 326,778,404.97/25,931.64
  6. Step 6: Final answer
    x = 12,601.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.