Home / 25,657.89-35,411.45-14,328.13

Finding the Fourth Proportional to 25,657.89, 35,411.45 and 14,328.13

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Solution

The fourth proportional to 25,657.89, 35,411.45 and 14,328.13 is: 19,774.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,657.89 : 35,411.45 = 14,328.13 : x
  2. Step 2: Convert to fraction form
    25,657.89/35,411.45 = 14,328.13/x
  3. Step 3: Cross multiply
    25,657.89x = 35,411.45 × 14,328.13
  4. Step 4: Simplify right side
    25,657.89x = 507,379,859.09
  5. Step 5: Solve for x
    x = 507,379,859.09/25,657.89
  6. Step 6: Final answer
    x = 19,774.81

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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.