Home / 25,602.81-38,368.31-9,790.80

Finding the Fourth Proportional to 25,602.81, 38,368.31 and 9,790.80

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Solution

The fourth proportional to 25,602.81, 38,368.31 and 9,790.80 is: 14,672.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,602.81 : 38,368.31 = 9,790.80 : x
  2. Step 2: Convert to fraction form
    25,602.81/38,368.31 = 9,790.80/x
  3. Step 3: Cross multiply
    25,602.81x = 38,368.31 × 9,790.80
  4. Step 4: Simplify right side
    25,602.81x = 375,656,400.59
  5. Step 5: Solve for x
    x = 375,656,400.59/25,602.81
  6. Step 6: Final answer
    x = 14,672.47

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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.