Home / 25,386.56-38,095.64-12,240.28

Finding the Fourth Proportional to 25,386.56, 38,095.64 and 12,240.28

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Solution

The fourth proportional to 25,386.56, 38,095.64 and 12,240.28 is: 18,368.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,386.56 : 38,095.64 = 12,240.28 : x
  2. Step 2: Convert to fraction form
    25,386.56/38,095.64 = 12,240.28/x
  3. Step 3: Cross multiply
    25,386.56x = 38,095.64 × 12,240.28
  4. Step 4: Simplify right side
    25,386.56x = 466,301,300.38
  5. Step 5: Solve for x
    x = 466,301,300.38/25,386.56
  6. Step 6: Final answer
    x = 18,368.04

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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.