Home / 23,507.86-32,440.28-12,897.40

Finding the Fourth Proportional to 23,507.86, 32,440.28 and 12,897.40

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Solution

The fourth proportional to 23,507.86, 32,440.28 and 12,897.40 is: 17,798.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,507.86 : 32,440.28 = 12,897.40 : x
  2. Step 2: Convert to fraction form
    23,507.86/32,440.28 = 12,897.40/x
  3. Step 3: Cross multiply
    23,507.86x = 32,440.28 × 12,897.40
  4. Step 4: Simplify right side
    23,507.86x = 418,395,267.27
  5. Step 5: Solve for x
    x = 418,395,267.27/23,507.86
  6. Step 6: Final answer
    x = 17,798.10

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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.