Home / 25,652.48-38,446.59-13,777.07

Finding the Fourth Proportional to 25,652.48, 38,446.59 and 13,777.07

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Solution

The fourth proportional to 25,652.48, 38,446.59 and 13,777.07 is: 20,648.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,652.48 : 38,446.59 = 13,777.07 : x
  2. Step 2: Convert to fraction form
    25,652.48/38,446.59 = 13,777.07/x
  3. Step 3: Cross multiply
    25,652.48x = 38,446.59 × 13,777.07
  4. Step 4: Simplify right side
    25,652.48x = 529,681,169.46
  5. Step 5: Solve for x
    x = 529,681,169.46/25,652.48
  6. Step 6: Final answer
    x = 20,648.35

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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.