Home / 25,417.41-38,125.82-10,421.18

Finding the Fourth Proportional to 25,417.41, 38,125.82 and 10,421.18

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Solution

The fourth proportional to 25,417.41, 38,125.82 and 10,421.18 is: 15,631.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,417.41 : 38,125.82 = 10,421.18 : x
  2. Step 2: Convert to fraction form
    25,417.41/38,125.82 = 10,421.18/x
  3. Step 3: Cross multiply
    25,417.41x = 38,125.82 × 10,421.18
  4. Step 4: Simplify right side
    25,417.41x = 397,316,032.87
  5. Step 5: Solve for x
    x = 397,316,032.87/25,417.41
  6. Step 6: Final answer
    x = 15,631.65

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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.