Home / 28,247.61-42,341.85-9,521.18

Finding the Fourth Proportional to 28,247.61, 42,341.85 and 9,521.18

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Solution

The fourth proportional to 28,247.61, 42,341.85 and 9,521.18 is: 14,271.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,247.61 : 42,341.85 = 9,521.18 : x
  2. Step 2: Convert to fraction form
    28,247.61/42,341.85 = 9,521.18/x
  3. Step 3: Cross multiply
    28,247.61x = 42,341.85 × 9,521.18
  4. Step 4: Simplify right side
    28,247.61x = 403,144,163.67
  5. Step 5: Solve for x
    x = 403,144,163.67/28,247.61
  6. Step 6: Final answer
    x = 14,271.80

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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.