Home / 25,290.32-34,902.52-14,681.57

Finding the Fourth Proportional to 25,290.32, 34,902.52 and 14,681.57

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Solution

The fourth proportional to 25,290.32, 34,902.52 and 14,681.57 is: 20,261.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,290.32 : 34,902.52 = 14,681.57 : x
  2. Step 2: Convert to fraction form
    25,290.32/34,902.52 = 14,681.57/x
  3. Step 3: Cross multiply
    25,290.32x = 34,902.52 × 14,681.57
  4. Step 4: Simplify right side
    25,290.32x = 512,423,579.34
  5. Step 5: Solve for x
    x = 512,423,579.34/25,290.32
  6. Step 6: Final answer
    x = 20,261.65

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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.