Home / 25,224.90-34,779.52-15,777.06

Finding the Fourth Proportional to 25,224.90, 34,779.52 and 15,777.06

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Solution

The fourth proportional to 25,224.90, 34,779.52 and 15,777.06 is: 21,753.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,224.90 : 34,779.52 = 15,777.06 : x
  2. Step 2: Convert to fraction form
    25,224.90/34,779.52 = 15,777.06/x
  3. Step 3: Cross multiply
    25,224.90x = 34,779.52 × 15,777.06
  4. Step 4: Simplify right side
    25,224.90x = 548,718,573.81
  5. Step 5: Solve for x
    x = 548,718,573.81/25,224.90
  6. Step 6: Final answer
    x = 21,753.05

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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.