Home / 25,721.04-35,487.20-14,389.36

Finding the Fourth Proportional to 25,721.04, 35,487.20 and 14,389.36

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Solution

The fourth proportional to 25,721.04, 35,487.20 and 14,389.36 is: 19,852.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,721.04 : 35,487.20 = 14,389.36 : x
  2. Step 2: Convert to fraction form
    25,721.04/35,487.20 = 14,389.36/x
  3. Step 3: Cross multiply
    25,721.04x = 35,487.20 × 14,389.36
  4. Step 4: Simplify right side
    25,721.04x = 510,638,096.19
  5. Step 5: Solve for x
    x = 510,638,096.19/25,721.04
  6. Step 6: Final answer
    x = 19,852.93

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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.