Home / 25,760.09-35,548.91-15,688.53

Finding the Fourth Proportional to 25,760.09, 35,548.91 and 15,688.53

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Solution

The fourth proportional to 25,760.09, 35,548.91 and 15,688.53 is: 21,650.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,760.09 : 35,548.91 = 15,688.53 : x
  2. Step 2: Convert to fraction form
    25,760.09/35,548.91 = 15,688.53/x
  3. Step 3: Cross multiply
    25,760.09x = 35,548.91 × 15,688.53
  4. Step 4: Simplify right side
    25,760.09x = 557,710,141.00
  5. Step 5: Solve for x
    x = 557,710,141.00/25,760.09
  6. Step 6: Final answer
    x = 21,650.16

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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.