Home / 25,218.40-37,829.40-7,688.24

Finding the Fourth Proportional to 25,218.40, 37,829.40 and 7,688.24

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Solution

The fourth proportional to 25,218.40, 37,829.40 and 7,688.24 is: 11,532.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,218.40 : 37,829.40 = 7,688.24 : x
  2. Step 2: Convert to fraction form
    25,218.40/37,829.40 = 7,688.24/x
  3. Step 3: Cross multiply
    25,218.40x = 37,829.40 × 7,688.24
  4. Step 4: Simplify right side
    25,218.40x = 290,841,506.26
  5. Step 5: Solve for x
    x = 290,841,506.26/25,218.40
  6. Step 6: Final answer
    x = 11,532.91

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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.