Home / 25,687.04-38,561.28-15,303.68

Finding the Fourth Proportional to 25,687.04, 38,561.28 and 15,303.68

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Solution

The fourth proportional to 25,687.04, 38,561.28 and 15,303.68 is: 22,973.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,687.04 : 38,561.28 = 15,303.68 : x
  2. Step 2: Convert to fraction form
    25,687.04/38,561.28 = 15,303.68/x
  3. Step 3: Cross multiply
    25,687.04x = 38,561.28 × 15,303.68
  4. Step 4: Simplify right side
    25,687.04x = 590,129,489.51
  5. Step 5: Solve for x
    x = 590,129,489.51/25,687.04
  6. Step 6: Final answer
    x = 22,973.82

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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.