Home / 22,938.84-31,643.93-14,985.72

Finding the Fourth Proportional to 22,938.84, 31,643.93 and 14,985.72

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Solution

The fourth proportional to 22,938.84, 31,643.93 and 14,985.72 is: 20,672.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,938.84 : 31,643.93 = 14,985.72 : x
  2. Step 2: Convert to fraction form
    22,938.84/31,643.93 = 14,985.72/x
  3. Step 3: Cross multiply
    22,938.84x = 31,643.93 × 14,985.72
  4. Step 4: Simplify right side
    22,938.84x = 474,207,074.68
  5. Step 5: Solve for x
    x = 474,207,074.68/22,938.84
  6. Step 6: Final answer
    x = 20,672.67

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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.