Home / 40,421.04-60,638.90-16,715.71

Finding the Fourth Proportional to 40,421.04, 60,638.90 and 16,715.71

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Solution

The fourth proportional to 40,421.04, 60,638.90 and 16,715.71 is: 25,076.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,421.04 : 60,638.90 = 16,715.71 : x
  2. Step 2: Convert to fraction form
    40,421.04/60,638.90 = 16,715.71/x
  3. Step 3: Cross multiply
    40,421.04x = 60,638.90 × 16,715.71
  4. Step 4: Simplify right side
    40,421.04x = 1,013,622,267.12
  5. Step 5: Solve for x
    x = 1,013,622,267.12/40,421.04
  6. Step 6: Final answer
    x = 25,076.60

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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.