Home / 25,316.01-34,888.19-20,812.41

Finding the Fourth Proportional to 25,316.01, 34,888.19 and 20,812.41

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Solution

The fourth proportional to 25,316.01, 34,888.19 and 20,812.41 is: 28,681.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,316.01 : 34,888.19 = 20,812.41 : x
  2. Step 2: Convert to fraction form
    25,316.01/34,888.19 = 20,812.41/x
  3. Step 3: Cross multiply
    25,316.01x = 34,888.19 × 20,812.41
  4. Step 4: Simplify right side
    25,316.01x = 726,107,210.38
  5. Step 5: Solve for x
    x = 726,107,210.38/25,316.01
  6. Step 6: Final answer
    x = 28,681.74

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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.