Home / 25,555.71-38,333.76-8,915.68

Finding the Fourth Proportional to 25,555.71, 38,333.76 and 8,915.68

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Solution

The fourth proportional to 25,555.71, 38,333.76 and 8,915.68 is: 13,373.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,555.71 : 38,333.76 = 8,915.68 : x
  2. Step 2: Convert to fraction form
    25,555.71/38,333.76 = 8,915.68/x
  3. Step 3: Cross multiply
    25,555.71x = 38,333.76 × 8,915.68
  4. Step 4: Simplify right side
    25,555.71x = 341,771,301.11
  5. Step 5: Solve for x
    x = 341,771,301.11/25,555.71
  6. Step 6: Final answer
    x = 13,373.58

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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.