Home / 25,756.04-38,637.10-9,112.60

Finding the Fourth Proportional to 25,756.04, 38,637.10 and 9,112.60

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Solution

The fourth proportional to 25,756.04, 38,637.10 and 9,112.60 is: 13,669.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,756.04 : 38,637.10 = 9,112.60 : x
  2. Step 2: Convert to fraction form
    25,756.04/38,637.10 = 9,112.60/x
  3. Step 3: Cross multiply
    25,756.04x = 38,637.10 × 9,112.60
  4. Step 4: Simplify right side
    25,756.04x = 352,084,437.46
  5. Step 5: Solve for x
    x = 352,084,437.46/25,756.04
  6. Step 6: Final answer
    x = 13,669.98

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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.