Home / 22,518.75-31,075.88-12,582.75

Finding the Fourth Proportional to 22,518.75, 31,075.88 and 12,582.75

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Solution

The fourth proportional to 22,518.75, 31,075.88 and 12,582.75 is: 17,364.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,518.75 : 31,075.88 = 12,582.75 : x
  2. Step 2: Convert to fraction form
    22,518.75/31,075.88 = 12,582.75/x
  3. Step 3: Cross multiply
    22,518.75x = 31,075.88 × 12,582.75
  4. Step 4: Simplify right side
    22,518.75x = 391,019,966.16
  5. Step 5: Solve for x
    x = 391,019,966.16/22,518.75
  6. Step 6: Final answer
    x = 17,364.20

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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.