Home / 27,435.50-37,860.80-15,501.18

Finding the Fourth Proportional to 27,435.50, 37,860.80 and 15,501.18

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Solution

The fourth proportional to 27,435.50, 37,860.80 and 15,501.18 is: 21,391.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,435.50 : 37,860.80 = 15,501.18 : x
  2. Step 2: Convert to fraction form
    27,435.50/37,860.80 = 15,501.18/x
  3. Step 3: Cross multiply
    27,435.50x = 37,860.80 × 15,501.18
  4. Step 4: Simplify right side
    27,435.50x = 586,887,075.74
  5. Step 5: Solve for x
    x = 586,887,075.74/27,435.50
  6. Step 6: Final answer
    x = 21,391.52

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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.