Home / 40,898.78-61,355.28-15,952.40

Finding the Fourth Proportional to 40,898.78, 61,355.28 and 15,952.40

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Solution

The fourth proportional to 40,898.78, 61,355.28 and 15,952.40 is: 23,931.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,898.78 : 61,355.28 = 15,952.40 : x
  2. Step 2: Convert to fraction form
    40,898.78/61,355.28 = 15,952.40/x
  3. Step 3: Cross multiply
    40,898.78x = 61,355.28 × 15,952.40
  4. Step 4: Simplify right side
    40,898.78x = 978,763,968.67
  5. Step 5: Solve for x
    x = 978,763,968.67/40,898.78
  6. Step 6: Final answer
    x = 23,931.37

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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.