Home / 25,487.46-35,172.23-14,156.51

Finding the Fourth Proportional to 25,487.46, 35,172.23 and 14,156.51

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Solution

The fourth proportional to 25,487.46, 35,172.23 and 14,156.51 is: 19,535.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,487.46 : 35,172.23 = 14,156.51 : x
  2. Step 2: Convert to fraction form
    25,487.46/35,172.23 = 14,156.51/x
  3. Step 3: Cross multiply
    25,487.46x = 35,172.23 × 14,156.51
  4. Step 4: Simplify right side
    25,487.46x = 497,915,779.07
  5. Step 5: Solve for x
    x = 497,915,779.07/25,487.46
  6. Step 6: Final answer
    x = 19,535.72

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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.