Home / 25,272,028.40-37,908,042.60-21,072,988.40

Finding the Fourth Proportional to 25,272,028.40, 37,908,042.60 and 21,072,988.40

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Solution

The fourth proportional to 25,272,028.40, 37,908,042.60 and 21,072,988.40 is: 31,609,482.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,272,028.40 : 37,908,042.60 = 21,072,988.40 : x
  2. Step 2: Convert to fraction form
    25,272,028.40/37,908,042.60 = 21,072,988.40/x
  3. Step 3: Cross multiply
    25,272,028.40x = 37,908,042.60 × 21,072,988.40
  4. Step 4: Simplify right side
    25,272,028.40x = 798,835,741,976,505.88
  5. Step 5: Solve for x
    x = 798,835,741,976,505.88/25,272,028.40
  6. Step 6: Final answer
    x = 31,609,482.60

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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.