Home / 19,897.28-29,788.32-14,987.60

Finding the Fourth Proportional to 19,897.28, 29,788.32 and 14,987.60

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Solution

The fourth proportional to 19,897.28, 29,788.32 and 14,987.60 is: 22,438.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,897.28 : 29,788.32 = 14,987.60 : x
  2. Step 2: Convert to fraction form
    19,897.28/29,788.32 = 14,987.60/x
  3. Step 3: Cross multiply
    19,897.28x = 29,788.32 × 14,987.60
  4. Step 4: Simplify right side
    19,897.28x = 446,455,424.83
  5. Step 5: Solve for x
    x = 446,455,424.83/19,897.28
  6. Step 6: Final answer
    x = 22,438.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.