Home / 25,148.61-34,702.70-15,075.18

Finding the Fourth Proportional to 25,148.61, 34,702.70 and 15,075.18

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Solution

The fourth proportional to 25,148.61, 34,702.70 and 15,075.18 is: 20,802.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,148.61 : 34,702.70 = 15,075.18 : x
  2. Step 2: Convert to fraction form
    25,148.61/34,702.70 = 15,075.18/x
  3. Step 3: Cross multiply
    25,148.61x = 34,702.70 × 15,075.18
  4. Step 4: Simplify right side
    25,148.61x = 523,149,373.61
  5. Step 5: Solve for x
    x = 523,149,373.61/25,148.61
  6. Step 6: Final answer
    x = 20,802.32

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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.