Home / 25,593.80-38,412.30-12,457.40

Finding the Fourth Proportional to 25,593.80, 38,412.30 and 12,457.40

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Solution

The fourth proportional to 25,593.80, 38,412.30 and 12,457.40 is: 18,696.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,593.80 : 38,412.30 = 12,457.40 : x
  2. Step 2: Convert to fraction form
    25,593.80/38,412.30 = 12,457.40/x
  3. Step 3: Cross multiply
    25,593.80x = 38,412.30 × 12,457.40
  4. Step 4: Simplify right side
    25,593.80x = 478,517,386.02
  5. Step 5: Solve for x
    x = 478,517,386.02/25,593.80
  6. Step 6: Final answer
    x = 18,696.61

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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.