Home / 25,136.56-34,669.02-18,419.68

Finding the Fourth Proportional to 25,136.56, 34,669.02 and 18,419.68

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Solution

The fourth proportional to 25,136.56, 34,669.02 and 18,419.68 is: 25,404.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,136.56 : 34,669.02 = 18,419.68 : x
  2. Step 2: Convert to fraction form
    25,136.56/34,669.02 = 18,419.68/x
  3. Step 3: Cross multiply
    25,136.56x = 34,669.02 × 18,419.68
  4. Step 4: Simplify right side
    25,136.56x = 638,592,254.31
  5. Step 5: Solve for x
    x = 638,592,254.31/25,136.56
  6. Step 6: Final answer
    x = 25,404.92

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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.