Home / 25,351.65-34,985.35-14,173.65

Finding the Fourth Proportional to 25,351.65, 34,985.35 and 14,173.65

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Solution

The fourth proportional to 25,351.65, 34,985.35 and 14,173.65 is: 19,559.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,351.65 : 34,985.35 = 14,173.65 : x
  2. Step 2: Convert to fraction form
    25,351.65/34,985.35 = 14,173.65/x
  3. Step 3: Cross multiply
    25,351.65x = 34,985.35 × 14,173.65
  4. Step 4: Simplify right side
    25,351.65x = 495,869,931.10
  5. Step 5: Solve for x
    x = 495,869,931.10/25,351.65
  6. Step 6: Final answer
    x = 19,559.67

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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.