Home / 25,767.40-38,628.60-9,983.20

Finding the Fourth Proportional to 25,767.40, 38,628.60 and 9,983.20

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Solution

The fourth proportional to 25,767.40, 38,628.60 and 9,983.20 is: 14,966.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,767.40 : 38,628.60 = 9,983.20 : x
  2. Step 2: Convert to fraction form
    25,767.40/38,628.60 = 9,983.20/x
  3. Step 3: Cross multiply
    25,767.40x = 38,628.60 × 9,983.20
  4. Step 4: Simplify right side
    25,767.40x = 385,637,039.52
  5. Step 5: Solve for x
    x = 385,637,039.52/25,767.40
  6. Step 6: Final answer
    x = 14,966.08

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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.