Home / 25,915.47-35,762.79-14,430.30

Finding the Fourth Proportional to 25,915.47, 35,762.79 and 14,430.30

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Solution

The fourth proportional to 25,915.47, 35,762.79 and 14,430.30 is: 19,913.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,915.47 : 35,762.79 = 14,430.30 : x
  2. Step 2: Convert to fraction form
    25,915.47/35,762.79 = 14,430.30/x
  3. Step 3: Cross multiply
    25,915.47x = 35,762.79 × 14,430.30
  4. Step 4: Simplify right side
    25,915.47x = 516,067,788.54
  5. Step 5: Solve for x
    x = 516,067,788.54/25,915.47
  6. Step 6: Final answer
    x = 19,913.50

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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.