Home / 25,031.21-34,541.57-13,698.45

Finding the Fourth Proportional to 25,031.21, 34,541.57 and 13,698.45

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Solution

The fourth proportional to 25,031.21, 34,541.57 and 13,698.45 is: 18,903.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,031.21 : 34,541.57 = 13,698.45 : x
  2. Step 2: Convert to fraction form
    25,031.21/34,541.57 = 13,698.45/x
  3. Step 3: Cross multiply
    25,031.21x = 34,541.57 × 13,698.45
  4. Step 4: Simplify right side
    25,031.21x = 473,165,969.57
  5. Step 5: Solve for x
    x = 473,165,969.57/25,031.21
  6. Step 6: Final answer
    x = 18,903.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.