Home / 25,981.40-38,975.70-9,337.40

Finding the Fourth Proportional to 25,981.40, 38,975.70 and 9,337.40

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Solution

The fourth proportional to 25,981.40, 38,975.70 and 9,337.40 is: 14,007.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,981.40 : 38,975.70 = 9,337.40 : x
  2. Step 2: Convert to fraction form
    25,981.40/38,975.70 = 9,337.40/x
  3. Step 3: Cross multiply
    25,981.40x = 38,975.70 × 9,337.40
  4. Step 4: Simplify right side
    25,981.40x = 363,931,701.18
  5. Step 5: Solve for x
    x = 363,931,701.18/25,981.40
  6. Step 6: Final answer
    x = 14,007.39

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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.