Home / 25,397.46-35,045.91-14,639.40

Finding the Fourth Proportional to 25,397.46, 35,045.91 and 14,639.40

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Solution

The fourth proportional to 25,397.46, 35,045.91 and 14,639.40 is: 20,200.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,397.46 : 35,045.91 = 14,639.40 : x
  2. Step 2: Convert to fraction form
    25,397.46/35,045.91 = 14,639.40/x
  3. Step 3: Cross multiply
    25,397.46x = 35,045.91 × 14,639.40
  4. Step 4: Simplify right side
    25,397.46x = 513,051,094.85
  5. Step 5: Solve for x
    x = 513,051,094.85/25,397.46
  6. Step 6: Final answer
    x = 20,200.88

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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.