Home / 22,554.88-31,125.28-12,482.74

Finding the Fourth Proportional to 22,554.88, 31,125.28 and 12,482.74

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Solution

The fourth proportional to 22,554.88, 31,125.28 and 12,482.74 is: 17,225.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,554.88 : 31,125.28 = 12,482.74 : x
  2. Step 2: Convert to fraction form
    22,554.88/31,125.28 = 12,482.74/x
  3. Step 3: Cross multiply
    22,554.88x = 31,125.28 × 12,482.74
  4. Step 4: Simplify right side
    22,554.88x = 388,528,777.67
  5. Step 5: Solve for x
    x = 388,528,777.67/22,554.88
  6. Step 6: Final answer
    x = 17,225.93

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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.