Home / 25,665.48-38,510.51-12,510.68

Finding the Fourth Proportional to 25,665.48, 38,510.51 and 12,510.68

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Solution

The fourth proportional to 25,665.48, 38,510.51 and 12,510.68 is: 18,772.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,665.48 : 38,510.51 = 12,510.68 : x
  2. Step 2: Convert to fraction form
    25,665.48/38,510.51 = 12,510.68/x
  3. Step 3: Cross multiply
    25,665.48x = 38,510.51 × 12,510.68
  4. Step 4: Simplify right side
    25,665.48x = 481,792,412.14
  5. Step 5: Solve for x
    x = 481,792,412.14/25,665.48
  6. Step 6: Final answer
    x = 18,772.00

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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.