Home / 25,693.28-38,516.55-9,888.23

Finding the Fourth Proportional to 25,693.28, 38,516.55 and 9,888.23

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Solution

The fourth proportional to 25,693.28, 38,516.55 and 9,888.23 is: 14,823.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,693.28 : 38,516.55 = 9,888.23 : x
  2. Step 2: Convert to fraction form
    25,693.28/38,516.55 = 9,888.23/x
  3. Step 3: Cross multiply
    25,693.28x = 38,516.55 × 9,888.23
  4. Step 4: Simplify right side
    25,693.28x = 380,860,505.21
  5. Step 5: Solve for x
    x = 380,860,505.21/25,693.28
  6. Step 6: Final answer
    x = 14,823.35

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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.