Home / 25,407.81-38,070.13-15,382.17

Finding the Fourth Proportional to 25,407.81, 38,070.13 and 15,382.17

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Solution

The fourth proportional to 25,407.81, 38,070.13 and 15,382.17 is: 23,048.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,407.81 : 38,070.13 = 15,382.17 : x
  2. Step 2: Convert to fraction form
    25,407.81/38,070.13 = 15,382.17/x
  3. Step 3: Cross multiply
    25,407.81x = 38,070.13 × 15,382.17
  4. Step 4: Simplify right side
    25,407.81x = 585,601,064.25
  5. Step 5: Solve for x
    x = 585,601,064.25/25,407.81
  6. Step 6: Final answer
    x = 23,048.08

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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.