Home / 35,505.84-53,258.40-15,779.28

Finding the Fourth Proportional to 35,505.84, 53,258.40 and 15,779.28

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Solution

The fourth proportional to 35,505.84, 53,258.40 and 15,779.28 is: 23,668.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,505.84 : 53,258.40 = 15,779.28 : x
  2. Step 2: Convert to fraction form
    35,505.84/53,258.40 = 15,779.28/x
  3. Step 3: Cross multiply
    35,505.84x = 53,258.40 × 15,779.28
  4. Step 4: Simplify right side
    35,505.84x = 840,379,205.95
  5. Step 5: Solve for x
    x = 840,379,205.95/35,505.84
  6. Step 6: Final answer
    x = 23,668.76

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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.